Index_of_Byzantine_Empire-related_articles
This is an alphabetical index of people, places, things, and concepts related to or originating from the Byzantine Empire (AD 330–1453). Feel free to add more, and create missing pages. You can track changes to the articles included in this list from here.
Note: People are listed by first name. Events, monuments and institutions like "Battle/Siege/Council/Church/Duchy/etc. of NNN" are listed by the location/name.
- Aachen Cathedral
- Aaron (son of Ivan Vladislav)
- Aaronios
- Abas I of Armenia
- Abaskiron
- Abbasid Caliphate
- Abbasid invasion of Asia Minor (782)
- Abbasid invasion of Asia Minor (806)
- Al-Abbas ibn al-Ma'mun
- Al-Abbas ibn al-Walid
- Abd al-Aziz ibn al-Walid
- Abd al-Aziz ibn Shu'ayb
- Abdallah al-Battal
- Abdallah al-Khazin
- Abdallah ibn Abd al-Malik
- Abd Allah ibn al-Fadl
- Abdallah ibn Qais
- Abdallah ibn Rashid ibn Kawus
- Abd al-Malik ibn Marwan
- Abd al-Malik ibn Salih
- St. Aberkios Monastery
- Abkhazia, Kingdom of
- Ablabius (consul)
- Ablabius (assassin)
- About the Mystery of the Letters
- Abraham of Ephesus
- Abu Abdallah Umar ibn Shu'ayb
- Abu Firas al-Hamdani
- Abu Ghanim
- Abu Hafs ibn Amr
- Abu Hafs Umar al-Iqritishi
- Abu'l-Asa'ir Ahmad ibn Nasr
- Abu'l-Aswar Shavur ibn Fadl
- Abu'l-A'war
- Abulchares
- Abu'l-Faraj al-Tarsusi
- Abu'l-Fawaris Muhammad ibn Nasir al-Dawla
- Abu'l-Qasim (Seljuk governor of Nicaea)
- Abu'l-Qasim Ali ibn al-Hasan al-Kalbi
- Abu Thabit
- Abydikos
- Abydos (Hellespont)
- Abydos, Diocese of
- Acacius, Church of Saint
- Acacius, Patriarch of Constantinople
- Acacius of Amida
- Acacius (Alexandria)
- Acacius (curator)
- Acacius (proconsul)
- Acacius (son of Archelaus)
- Acarassus
- Achaea (Roman province)
- Achaea, Principality of
- Acheiropoietos, Church of the
- Acheiropoietos Monastery
- Achelous, 917 Battle of
- Achelous, 1359 Battle of
- Acilisene, Peace of
- Acindynus (Carrhae)
- Acritic songs
- Acropolitissa, wife of Michael of Trebizond
- Actuarius
- Adada, Pisidia
- Adalgis
- Adaloald
- Adamantius (praefectus urbi)
- Adarnase I of Iberia
- Adarnase II of Iberia
- Adarnase III of Iberia
- Adarnase IV of Iberia
- Adarnase V of Tao
- Ad Decimum, Battle of
- Adelchis of Benevento
- Adelphopoiesis
- Adeodatus I, Pope of Rome
- Adeodatus II, Pope of Rome
- Adergoudounbades
- Adolius
- Adralestos (Domestic of the Schools)
- Adramyttium
- Adrian I, Pope of Rome
- Adrian II, Pope of Rome
- Adrianople
- Adrianople, 378 Battle of
- Adrianople, 813 Siege of
- Adrianople, 1205 Battle of
- Adrianople, 1254 Battle of
- Adrianople, Conquest by the Turks
- Adrianople, Martyrs of
- Adrianos Komnenos
- Aedesia
- Aegean Sea
- Aegean Sea (theme)
- Aelia Eudocia
- Aelia Eudoxia
- Aelia Flaccilla
- Aetios (eunuch)
- Aetius, Cistern of
- Aetius (praetorian prefect)
- Aëtius of Amida
- Africa, Praetorian prefecture of
- African Romance
- Agallianos Kontoskeles
- Agapetus (deacon)
- Agapius (physician)
- Agatha (wife of Samuel of Bulgaria)
- Agathias
- Agatho, Pope of Rome
- Agathonicea
- Agilulf
- Agnellus, Bishop of Ravenna
- Agnes of France, Byzantine Empress
- Agnes of Montferrat
- Agnes of Durazzo
- Agoranomos
- Ahmad ibn al-Hasan al-Kalbi
- Ahmad ibn Kayghalagh
- Ahmad ibn Tughan al-Ujayfi
- Ahmad ibn Ziyadat Allah ibn Qurhub
- Aigan (Hun commander)
- AIMA prophecy
- Aistulf
- Aiulf II of Benevento
- Aizanoi
- Ajnadayn, Battle of
- Akakia
- Akameros
- Akolouthos
- Akova, Barony of
- Akritai
- Akroinon, Battle of
- Alahan Monastery
- Alamanikon
- Alan Cameron (classical scholar)
- Alans
- Albania in the Middle Ages
- Albania under the Byzantine Empire
- Albanian history, Timeline of
- Albia Dominica
- Alboin
- Albsuinda
- Alda of Alania
- Aldimir
- Aleppo
- Aleppo, 637 Siege of
- Aleppo, 962 Sack of
- Aleppo, 994–995 Siege of
- Alexander (comes)
- Alexander (discussor)
- Alexander (taxiarch)
- Alexander (supporter of Phocas)
- Alexander (Byzantine emperor)
- Alexander Kazhdan
- Alexander of Constantinople
- Alexander of Cyprus
- Alexander of Tralles
- Alexander of Trebizond
- Alexander van Millingen
- Alexander Vasiliev (historian)
- Alexandretta, Battle of
- Alexiad
- Alexios I Komnenos
- Alexios I of Trebizond
- Alexios Studites, Patriarch of Constantinople
- Alexios II Komnenos
- Alexios II of Trebizond
- Alexios III Angelos
- Alexios III of Trebizond
- Alexander III, Pope of Rome
- Alexios IV Angelos
- Alexios IV of Trebizond
- Alexios V Doukas
- Alexios V of Trebizond
- Alexios Angelos Philanthropenos
- Alexios Apokaukos
- Alexios Aristenos
- Alexios Aspietes
- Alexios Axouch
- Alexios Branas
- Alexios Charon
- Alexios Doukas Philanthropenos
- Alexios Gidos
- Alexios Kaballarios
- Alexios Komnenos (co-emperor)
- Alexios Komnenos (governor of Dyrrhachium)
- Alexios Komnenos (protosebastos)
- Alexios Komnenos (son of Andronikos I)
- Alexios Laskaris
- Alexios Laskaris Philanthropenos
- Alexios Mosele (admiral)
- Alexios Mosele (Caesar)
- Alexios Mosele (general)
- Alexios Palaiologos (despot)
- Alexios Philanthropenos
- Alexios Philes
- Alexios Raoul
- Alexios Strategopoulos
- Alexios Tzamplakon
- Alexios Xiphias
- Al-Halawiyah Madrasa
- Alexius of Rome
- Alexius Slav
- Ali ibn Yahya al-Armani
- Ali ibn Yusuf ibn Umar
- Alice-Mary Talbot
- Aligern
- Allagion
- Allelengyon
- Allīnūs
- Aloara
- Alp Arslan
- Altava
- Althias
- Alusian of Bulgaria
- Alviso Diedo
- Alypius of Constantinople
- Amadeus VI, Count of Savoy
- Amalafrid
- Amastrianum
- Amalasuintha
- Amalric I of Jerusalem
- Amantius (praepositus)
- Ambazuces
- Amicus of Giovinazzo
- Amioun, Battle of
- Ammar ibn Ali al-Kalbi
- Ammatus
- Ammianus Marcellinus
- Ammonius Hermiae
- Amorium
- Amorium, Sack of
- Amphilochius of Iconium
- Amr ibn Hind
- Amyclae, Diocese of
- Amytzantarioi
- Anagast
- Anatolia earthquake, 554
- Anagrapheus
- Anastasia (wife of Constantine IV)
- Anastasia the Patrician
- Anastasian War
- Anastasiopolis in Galatia
- Anastasiopolis in Thrace
- Anastasios Orlandos
- Anastasius, Patriarch of Constantinople
- Anastasius, Pope of Alexandria
- Anastasius I Dicorus
- Anastasius II
- Anastasius I of Antioch
- Anastasius II of Antioch
- Anastasius (consul 517)
- Anastasius (jurist)
- Anastasius Bibliothecarius
- Anastasius of Samaria
- Anastasius Sinaita
- Anatolia
- Anatolia, Byzantine
- Anatolic Theme
- Anatolius (consul)
- Anatolius, Patriarch of Constantinople
- Anatolius (curator)
- Anatolius (Osroene)
- Anchialus, 708 Battle of
- Anchialus, 763 Battle of
- Ancyra
- Ancyra, Metropolis of
- Andrassos, Battle of
- André Grabar
- Andrea Angeli
- Andrea Barozzi
- Andrea Ghisi
- Andrea Morisco
- Andreas of Samosata
- Andreas Palaiologos
- Andreas Palaiologos (son of Manuel)
- Andreas Stratos
- Andrew II of Naples
- Andrew, Duke of Calabria
- Andrew of Crete
- Andrew of Crete (martyr)
- Andrew the Scythian
- Andronicus, Coptic Pope of Alexandria
- Andronikos I Komnenos
- Andronikos I of Trebizond
- Andronikos II Palaiologos
- Andronikos II of Trebizond
- Andronikos III Palaiologos
- Andronikos III of Trebizond
- Andronikos IV Palaiologos
- Andronikos V Palaiologos
- Andronikos Angelos Palaiologos
- Andronikos Asen
- Andronikos Asen Zaccaria
- Andronikos Doukas (co-emperor)
- Andronikos Doukas (cousin of Michael VII)
- Andronikos Doukas (general under Leo VI)
- Andronikos Doukas Angelos
- Andronikos Doukas Palaiologos
- Andronikos Euphorbenos
- Andronikos Kamateros
- Andronikos Komnenos (son of Alexios I)
- Andronikos Komnenos (son of John II)
- Andronikos Kontostephanos
- Andronikos Kontostephanos (son of Isaac)
- Andronikos Lapardas
- Andronikos of Sardis
- Andronikos Palaiologos (died 1344)
- Andronikos Palaiologos (late 12th century)
- Andronikos Palaiologos (megas domestikos)
- Andronikos Palaiologos (son-in-law of Theodore I)
- Andronikos Palaiologos (son of Manuel II)
- Andronikos Palaiologos Kantakouzenos
- Anemas
- Anemas (died 971)
- Angeliki Laiou
- Angelo Flavio Comneno
- Angelo Maria Angeli
- Angelos
- An Entertaining Tale of Quadrupeds
- Anglon, Battle of
- Angilas
- Ani, Battle of
- Anicia Juliana
- Anicius Faustus Albinus Basilius
- Ankara
- Anna, wife of Artabasdos
- Anna Angelina Komnene Doukaina
- Anna Dalassene
- Anna Diogenissa
- Anna Komnene
- Anna Komnene Angelina
- Anna Komnene Doukaina
- Anna Notaras
- Anna of Hohenstaufen
- Anna of Hungary (1260–1281)
- Anna of Savoy
- Anna of Trebizond
- Anna of Trebizond, Queen of Georgia
- Anna of Moscow
- Anna Palaiologina (daughter of Andronikos Angelos Palaiologos)
- Anna Palaiologina (daughter of Michael IX)
- Anna Palaiologina Kantakouzene
- Anna Philanthropene
- Anna Porphyrogenita
- Anna Terter
- Anna Xylaloe
- Saint Anne Church, Trabzon
- Annianus of Alexandria
- Anno Domini
- Anseau de Cayeux
- Antalas
- Antalya, Siege of
- Anthemius
- Anthemius (praetorian prefect)
- Anthemius of Tralles
- Anthemius Isidorus
- Anthimus I, Patriarch of Constantinople
- Anthimus (physician)
- Anthimus of Naples
- Anthony Bryer
- Anthony Kaldellis
- Anthony the Confessor
- Anthusa of Constantinople
- Anthusa of Mantinea
- Anthypatos
- Antilegomena
- Antioch
- Antioch earthquake, 526
- Antioch, 613 Battle of
- Antioch, Principality of
- Antiochos (strategos of Sicily)
- Antiochus (bishop of Ptolemais)
- Antiochus (praepositus sacri cubiculi)
- Antiochus Chuzon
- Antipope Paschal
- Antipope Theodore
- Antonina (wife of Belisarius)
- Antony I Kassymatas, Patriarch of Constantinople
- Antony II Kauleas, Patriarch of Constantinople
- Antony III Studites, Patriarch of Constantinople
- Antony IV, Patriarch of Constantinople
- Antony of Larissa
- Antony the Younger
- Anushtakin al-Dizbari
- Anzen, Battle of
- Apahunik' earthquake, 461
- Apamea (Syria)
- Apamea, Battle of
- Aperlae
- Apion (family)
- Aplekton
- Apocrisiarius
- Apocrisiarius, Papal
- Apographeus
- Apokapes
- Apokaukos
- Apollinarius (governor)
- Apollinarius, Patriarch of Alexandria
- Apollonia, Cyrenaica
- Apollonia, Tower of
- Apollonius (praetorian prefect)
- Apollonius (consul 460)
- Apros
- Apros, Battle of
- Apsich
- Arabia (daughter of Justin II)
- Arabia Petraea
- Arabs
- Arabs, Byzantine wars with the
- Arabs, 780–1180 Byzantine wars with the
- Araklovon Castle
- Aratius
- Arbanon, Principality of
- Arbanon, Rebellion of
- Arbazacius
- Arcadia (daughter of Arcadius)
- Arcadia, Barony of
- Arcadiopolis
- Arcadiopolis, 970 Battle of
- Arcadiopolis, 1194 Battle of
- Arcadiopolis, Diocese of
- Arcadius
- Arcadius, Baths of
- Arcadius, Column of
- Arcadius, Forum of
- Archangel ivory
- Architecture, Byzantine
- Architecture of Istanbul
- Ardabur (consul 427)
- Ardabur (consul 447)
- Ardagast
- Ardashir II
- Ardenica Monastery
- Arechis II of Benevento
- Areobindus Dagalaifus Areobindus
- Areobindus (died 546)
- Argyramoiboi
- Argyritzos
- Argyros (Byzantine family)
- Argyrus (catepan of Italy)
- Ariadne (empress)
- Arianism
- Arianites
- Arianitto Arianiti
- Aristaenetus
- Aristaenetus (consul)
- Aristomachus (Egypt)
- Arius
- Arkadios II, Archbishop of Cyprus
- Archontopouloi
- Argos and Nauplia, Lordship of
- Argos, Bishopric of
- Armatus
- Armenia
- Armenia, Byzantine
- Armenia earthquake. 632
- Armenia (Middle Ages), Kingdom of
- Armenia, Roman
- Armeniac Theme
- Armouris, Song of
- Army, Byzantine
- Army, Komnenian Byzantine
- Army, Palaiologan Byzantine
- Arneae
- Arietta Papaconstantinou
- Arsaber
- Arsaces (conspirator)
- Arsacius of Tarsus
- Arsakawan earthquake, 363
- Arsenios Autoreianos, Patriarch of Constantinople
- Arsenius, Patriarch of Alexandria
- Arsenius of Tyre
- Arsenius the Great
- Art, Byzantine
- Arta
- Arta, Castle of
- Artabanes
- Artabasdos
- Arthelais
- Artze
- Arzen
- Asad ibn al-Furat
- Asbadus
- Ascan
- Ascholius
- Asclepigenia
- Asclepiodotus (consul 423)
- Asclepiodotus (physician)
- Asclepiodotus of Alexandria
- Asclepius of Tralles
- Ascum
- Asekretis
- Asen and Peter, Uprising of
- Ashtat Yeztayar
- Ashot I of Armenia
- Ashot I of Iberia
- Ashot II Bagratuni
- Ashot II of Armenia
- Ashot II of Tao
- Ashot III of Armenia
- Ashot III of Taron
- Ashot IV of Armenia
- Ashot Taronites
- Asia (Roman province)
- Asia, Diocese of
- Asia Minor
- Asia Minor Slavs
- Asomatianos Tzamplakon
- Aspad Gushnasp
- Aspar
- Aspar, Cistern of
- Asparukh of Bulgaria
- Aspietes
- Aspietes (general under Alexios I)
- Aspona
- Aspron
- Asterius of Amasea
- Asyut Treasure
- Atakam
- Atenulf I of Capua
- Athalaric
- Athanasios of Emesa
- Athanasius I, Patriarch of Constantinople
- Athanasius I Gammolo
- Athanasius II, Patriarch of Constantinople
- Athanasius (grandson of Theodora)
- Athanasius (praetorian prefect)
- Athanasius of Naples
- Athenogenes of Petra
- Athens
- Athens, Archbishopric of
- Athens, History of
- Athinganoi
- Atik Mustafa Pasha Mosque
- Atrax (Thessaly)
- Atriklines
- Atticus, Archbishop of Constantinople
- Augusta (honorific)
- Augustaion
- Augustine of Canterbury
- Aurelianus (consul 400)
- Aurès, Kingdom of the
- Authari
- Autokrator
- Auxentius of Bithynia
- Auximus, Siege of
- Avanos
- Avars
- Avars, Byzantine wars with the
- Averil Cameron
- Avienus (consul 501)
- al-Awasim
- Ayasuluk Hill
- Aydinids
- Azaz, 1030 Battle of
- Al-Aziz
- Aziz al-Dawla
- Babylon Fortress
- Babylon Fortress, Siege of
- Badr al-Hammami
- Baduarius
- Baduarius (curator)
- Baduarius (Scythia)
- Bagradas River, 536 Battle of
- Bagrat I of Iberia
- Bagrat II Bagratuni
- Bagrat II of Iberia
- Bagrationi, wife of John IV of Trebizond
- Bahram Gushnasp
- Bahrām Chōbin
- Baioulos
- Baiounitai
- Bakjur
- Baktangios
- Balaban Aga Mosque
- Balatlar Church
- Baldwin I of Constantinople
- Baldwin I of Jerusalem
- Baldwin II of Constantinople
- Baldwin II of Jerusalem
- Baldwin III of Jerusalem
- Balearic Islands
- Balgitzin
- Balik (ruler)
- Bandon (Byzantine Empire)
- Bapheus, Battle of
- Bar, Battle of
- Barasbakourios
- Barbara Komnena
- Barberini ivory
- Barca (ancient city)
- Bardanes Tourkos
- Bardas
- Bardas Hikanatos
- Bardas Kontomytes
- Bardas Parsakoutenos
- Bardas Phokas the Elder
- Bardas Phokas the Younger
- Bardas Phokas the Younger, Rebellion of
- Bardas Skleros
- Baresmanas
- Bari
- Bari, Emirate of
- Bari, Louis II's 866–871 campaign against
- Bari, Siege of
- Barjawan
- Barlaam and Josaphat
- Barlaam of Seminara
- Basel, Council of
- Basil I
- Basil II
- Basil II, Epitaph on the tomb of
- Basil I Skamandrenos, Patriarch of Constantinople
- Basil II Kamateros, Patriarch of Constantinople
- Basil Apokapes
- Basil Apokaukos
- Basil Argyros
- Basil Boioannes
- Basil Doukas Kamateros
- Basil Hexamilites
- Basil Kourtikios
- Basil Lekapenos
- Basil Mesardonites
- Basil of Ani
- Basil of Naples
- Basil of Trebizond
- Basil Onomagoulos
- Basil Peteinos
- Basil Skleros
- Basil the Confessor
- Basil the Copper Hand
- Basil the Physician
- Basil the Younger
- Basil Theodorokanos
- Basil Vatatzes
- Basilakes
- Basileopator
- Basileus
- Basilian monks
- Basilica Cistern
- Basilica di Santa Maria Maggiore
- Basilica of Sant'Apollinare Nuovo
- Basilica of San Vitale
- Basilides (patricius)
- Basilika
- Basilikoi anthropoi
- Basilikon
- Basilikos logos
- Basilinopolis
- Basiliscus
- Basiliscus (Caesar)
- Basiliskianos
- Basilissa
- Batheos Rhyakos Monastery
- Bathys Ryax, Battle of
- Battle tactics, Byzantine
- Bawi
- Bayezid I
- Beacon system, Byzantine
- Beatrice of Provence
- Beatrice of Sicily, Latin Empress
- Beirut earthquake, 551
- Béla III of Hungary
- Bela (Epirus)
- Belegezites
- Belgrade
- Belisarius
- Beloš
- Belthandros and Chrysantza
- Benedetto I Zaccaria
- Benedetto II Zaccaria
- Benedict I, Pope of Rome
- Benjamin I, Coptic Patriarch of Alexandria
- Bera
- Berat, 1280–1281 Siege of
- Berengaria of León
- Beresford Hope Cross
- Berichus
- Bernat de Rocafort
- Beroia, Battle of
- Bertha of Sulzbach
- Berthold II von Katzenelnbogen
- Berytus, Law School of
- Berziti
- Berzitia, Battle of
- Bessas
- Beth Alpha
- Bezant
- Bibliotheca (Photius)
- Biccari, Byzantine tower of
- Binbirkilise
- Bir el Qutt inscriptions
- Bisantius Guirdeliku
- Bishr al-Afshini
- Bishr ibn al-Walid
- Bithynia
- Bitola, 1015 Battle of
- Blachernae
- Blachernae, 1082 Council of
- Blachernae, 1094 Council of
- Blachernae, 1285 Council of
- Blachernae, 1351 Council of
- Blachernae, 1101 Crusader attack on
- Blachernae, Palace of
- Blaise of Amorion
- Blarathon, Battle of
- Bleschames
- Bodrum Mosque
- Boethius
- Bogdan Saray
- Bogomilism
- Bohemond I of Antioch
- Boleron
- Bonakis
- Boniface I, Pope of Rome
- Boniface I, Marquess of Montferrat
- Boniface II, Pope of Rome
- Boniface III, Pope of Rome
- Boniface IV, Pope of Rome
- Boniface V, Pope of Rome
- Boniface of Verona
- Bonus (patrician)
- Bonus (Sirmium)
- Book of Job in Byzantine illuminated manuscripts
- Boraides
- Boran
- Boril of Bulgaria
- Boris I of Bulgaria
- Boris Kalamanos
- Borradaile Triptych
- Bosphorus
- Bosra, Battle of
- Boukoleon Palace
- Boulgarophygon, Battle of
- Bourgaon, Battle of
- Bouzes
- Božidar Ferjančić
- Braničevo (1154), Siege of
- Branko Mladenović
- Bravlin
- Brindisi, 1156 Battle of
- Brontochion Monastery
- Bryas
- Bryennios
- Bucellarian Theme
- Bucellarius
- Buffavento Castle
- Bulgaria (theme)
- Bulgaria
- Bulgaria, Byzantine conquest of
- Bulgaria, Byzantine wars with
- Bulgaria, 716 treaty with
- Bulgaria, 815 treaty with
- Bulgaria, 894–896 war with
- Bulgaria, 913–927 war with
- Bulgaria, Christianization of
- Bulgaria, History of
- Bulgarian Empire, 1st
- Bulgarian Empire, 2nd
- Bulgars
- al-Buqaia, Battle of
- Burdunellus
- Bureaucracy and aristocracy
- Burqush
- Bursa, Siege of
- Bushra al-Thamali
- Byzacena
- Byzantine civilisation in the 12th century
- Byzantine commonwealth
- Byzantine emperors, Family tree of the
- Byzantine Empire
- Byzantine Empire, History of the
- Byzantine Empire, Succession to the
- Byzantine Empire under the Amorian dynasty
- Byzantine Empire under the Angelos dynasty
- Byzantine Empire under the Doukas dynasty
- Byzantine Empire under the Heraclian dynasty
- Byzantine Empire under the Isaurian dynasty
- Byzantine Empire under the Justinian dynasty
- Byzantine Empire under the Komnenos dynasty
- Byzantine Empire under the Leonid dynasty
- Byzantine Empire under the Macedonian dynasty
- Byzantine Empire under the Nikephorian dynasty
- Byzantine Empire under the Palaiologos dynasty
- Byzantine Empire under the Theodosian dynasty
- Byzantine Fresco Chapel
- Byzantine Papacy
- Byzantine–Sasanian War of 602–628
- Byzantine–Sasanian wars
- Byzantinische Zeitschrift
- Byzantinism
- Byzantium
- Byzantium: The Early Centuries
- Byzantium (color)
- Byzantium (play)
- Byzantium after Byzantium
- Byzantius (archbishop of Bari)
- Caenophrurium
- Caesar (title)
- Caesarea
- Caesarea Maritima
- Caesarea Mazaca
- Caesarius (consul)
- Caesaropapism
- Caesaropolis
- Calabria
- Calendar, Byzantine
- Callinicum
- Callinicum, Battle of
- Callinicus (exarch)
- Callinicus I, Patriarch of Constantinople
- Callistus I, Patriarch of Constantinople
- Callistus II Xanthopoulos, Patriarch of Constantinople
- Calocaerus
- Caloe
- Calonymus
- Caltavuturo, Battle of
- Camuliana
- Canbazlı
- Çanlı Kilise
- Cannae, 1018 Battle of
- Capetian House of Anjou
- Capidava
- Cappadocia
- Cappadocia (Roman province)
- Cappadocia (theme)
- Cappadocia, Rock-cut architecture of
- Caria
- Carlo I Tocco
- Carlo II Tocco
- Carmagnola (Venice)
- Carolingian dynasty
- Carolingian Empire
- Carthage
- Carthage, Archdiocese of
- Carthage, 698 Battle of
- Časlav
- Caspian Gates earthquake, 743
- Cassiodorus
- Castle of Sant'Aniceto
- Catacomb of Phaneromeni Church
- Catalan Campaign in Asia Minor
- Catalan Company
- Cataphract
- Catepanate of Italy
- Caterina Gattilusio
- Catharism
- Saint Catherine's Monastery
- Saint Catherine, Thessaloniki, Church of
- Catherine of Bulgaria
- Catherine of Courtenay
- Catherine of Valois (1303–1346)
- Catherine Zaccaria
- Cattolica di Stilo
- Caucasian Albania
- Cécile Morrisson
- Celer (magister officiorum)
- Centre for Byzantine Research
- Centurione II Zaccaria
- Cephallenia (theme)
- Cephalonia
- Cephalonia, Battle of
- Cestrus
- Chaeronea
- Chalandritsa, Barony of
- Chalazar
- Chalcedon
- Chalcedon, Council of
- Chalcedon, Metropolis of
- Chalcis
- Chalcis in Syria
- Chalcis in Thrace
- Chaldia
- Chalke
- Chalkoprateia
- Chanaranges (Italy)
- Chandax, Siege of
- Chandrenos
- Chariopolis
- Chariopolis, Bishopric of
- Chariot racing
- Charito
- Chariton, Patriarch of Constantinople
- Charlemagne
- Charles I of Naples
- Charles II of Naples
- Charles III of Naples
- Charles, Count of Valois
- Charles Annibal Fabrot
- Charles Diehl
- Charles du Fresne, sieur du Cange
- Charmaina
- Charpezikion
- Charsianon
- Chartophylax
- Chartoularios
- Chase (son of Ioube)
- Chatalar Inscription
- Chatzon
- Chelandion
- Chelchal
- Chernomen, Treaty of
- Cherson
- Cherson (theme)
- Chilbudius
- Childebert II
- Chiliades
- Chiliarch
- Chinialon
- Choma (fortress)
- Choma (Lycia)
- Chonae
- Chora Monastery
- Choricius of Gaza
- Christ (title)
- Christ Chalkites, Church of
- Christ Pantokrator (Nesebar), Church of
- Christ Pantocrator (Sinai)
- Christianization of the Roman Empire
- Christianization of the Roman Empire as diffusion of innovation
- Christianity, History of
- Christodorus
- Christopher (Domestic of the Schools)
- Christopher Lekapenos
- Christophoros Burgaris
- Christoupolis
- Chronicle of 741
- Chronicle of 813
- Chronicle of 846
- Chronicle of 1234
- Chronicon Paschale
- Chrysaphius
- Chrysargyron
- Chrysobull
- Chrysocheir
- Chrysopolis
- Chrysotriklinos
- Church Fathers
- Church History (Eusebius)
- Church of All Nations
- Cibyrrhaeot Theme
- Civil war of 1321–1328
- Civil war of 1341–1347
- Civil war of 1352–1357
- Civil war of 1373–1379
- Cilicia
- Cilicia (Roman province)
- Cilicia, Byzantine conquest of
- Ciriaco de' Pizzicolli
- Citadel of Salah Ed-Din
- Cities in the Byzantine Empire
- Clarissimus
- Claudiopolis
- Claudiopolis, See of
- Claudiopolis, Siege of
- Clearchus (consul)
- Cleofa Malatesta
- Clibanarii
- Clovis I
- Clermont, Council of
- Coccas (soldier)
- Codex Hierosolymitanus
- Codex Theodosianus
- Codex Justinianeus
- Colossae
- Colossus of Barletta
- Column of Justinian
- Column of Phocas
- Comacchio, Battle of
- Comentiolus
- Comentiolus (brother of Phocas)
- Comes rerum privatarum
- Comes sacrarum largitionum
- Comito
- Comnenus
- Conditum
- Conon, Count of Montaigu
- Conon, Pope of Rome
- Conrad III
- Conrad of Montferrat
- Consistorium
- Constans
- Constans II
- Constans (consul 414)
- Constantina
- Constantina (empress)
- Constantina (Osrhoene)
- Constantine I the Great
- Constantine the Great and Christianity
- Constantine I, Patriarch of Constantinople
- Constantine I, Prince of Armenia
- Constantine II
- Constantine II, Patriarch of Constantinople
- Constantine II, Prince of Armenia
- Constantine III
- Constantine III Leichoudes, Patriarch of Constantinople
- Constantine IV
- Constantine IV, Patriarch of Constantinople
- Constantine V
- Constantine VI
- Constantine VII
- Constantine VIII
- Constantine IX Monomachos
- Constantine X Doukas
- Constantine XI Palaiologos
- Constantine, Pope of Rome
- Constantine (son of Leo V)
- Constantine, son of Theophilos
- Constantine Angelos
- Constantine Angelos Doukas
- Constantine Arianites
- Constantine Arianiti
- Constantine Aspietes
- Constantine Bodin
- Constantine Chabaron
- Constantine Chadenos
- Constantine Chliarenos
- Constantine Choirosphaktes
- Constantine Dalassenos (duke of Antioch)
- Constantine Dalassenos (thalassokrator)
- Constantine Diogenes
- Constantine Diogenes (son of Romanos IV)
- Constantine Diogenes (pretender)
- Constantine Doranites
- Constantine Doukas (co-emperor)
- Constantine Doukas (died 1179)
- Constantine Doukas (usurper)
- Constantine Doukas of Thessaly
- Constantine Dragaš
- Constantine Euphorbenos Katakalon
- Constantine Gabras
- Constantine Gongyles
- Constantine Harmenopoulos
- Constantine Helladikos
- Constantine the Jew
- Constantine Kabasilas
- Constantine Kalamanos
- Constantine Keroularios
- Constantine Komnenos Angelos
- Constantine Komnenos Arianites
- Constantine Komnenos Doukas
- Constantine Kontomytes
- Constantine Lardys
- Constantine Laskaris
- Constantine Lekapenos
- Constantine Lips
- Constantine Loukites
- Constantine Makrodoukas
- Constantine Maniakes
- Constantine Margarites
- Constantine Meliteniotes
- Constantine Mesopotamites
- Constantine of Nicaea
- Constantine Opos (catepan)
- Constantine Opos (megas doux)
- Constantine Palaiologos (half-brother of Michael VIII)
- Constantine Palaiologos (son of Andronikos II)
- Constantine Palaiologos (son of Michael VIII)
- Constantine Paparrigopoulos
- Constantine Phokas
- Constantine Podopagouros
- Constantine Stilbes
- Constantine Tessarakontapechys
- Constantine Tikh of Bulgaria
- Constantine Tornikes
- Constantine, Forum of
- Constantinian dynasty
- Constantinople
- Constantinople, 378 Battle of
- Constantinople, 447 earthquake
- Constantinople, 922 Battle of
- Constantinople, 1147 Battle of
- Constantinople, 1241 Battle of
- Constantinople, First Council
- Constantinople, Second Council
- Constantinople, Third Council
- Constantinople, Fourth Council (Roman Catholic)
- Constantinople, Fourth Council (Eastern Orthodox)
- Constantinople, Fifth Council
- Constantinople, 536 Council of
- Constantinople, 843 Council of
- Constantinople, 867 Council of
- Constantinople earthquake, 557
- Constantinople earthquake, 740
- Constantinople, Fall of
- Constantinople, Latin Patriarch of
- Constantinople, Reconquest of
- Constantinople, 14 regions of
- Constantinople, 626 Siege of
- Constantinople, 674–678 Siege of
- Constantinople, 717–718 Siege of
- Constantinople, 1203 Siege of
- Constantinople, 1204 Siege of
- Constantinople, 1235 Siege of
- Constantinople, 1260 Siege of
- Constantinople, 1394–1402 Siege of
- Constantinople, 1411 Siege of
- Constantinople, 1422 Siege of
- Constantinople, Tyche of
- Constantinus (consul 457)
- Constantius II
- Constantius Gallus
- Constantiolus
- Consul
- Coptic period
- Consularis
- Corinth
- Corinth, 1458 Siege of
- Corfu
- Corfu, Metropolis of
- Corinth
- Corinth, Latin Archbishopric of
- Corinth, Metropolis of
- Coronation of the Byzantine emperor
- Corpus Fontium Historiae Byzantinae
- Corpus Scriptorum Historiae Byzantinae
- Corpus Juris Civilis
- Corrector
- Corydala
- Cosmas Indicopleustes
- Cosmas I, Patriarch of Alexandria
- Cosmas I, Patriarch of Constantinople
- Cosmas II Atticus, Patriarch of Constantinople
- Cosmas of Maiuma
- Cosmas Vestitor
- Cotyaeum
- Cotyaeum, Battle of
- Count of the Stable
- Count of the Tent
- Cours (Byzantine general)
- Courtenay, House of
- Coutzes
- Covered Hippodrome
- Crete
- Crete, Byzantine
- Crete earthquake, 365
- Crete, Emirate of
- Crimea
- Crimean Goths
- Crispus
- Croatia, Duchy of
- Croatia, 925–1102 Kingdom of
- Croats
- Cross-in-square
- Cross of Justin II
- Crusader invasions of Egypt
- Crusader states
- Crusades
- Cubicularius
- Cuisine, Byzantine
- Cumans
- Currency, Byzantine
- Cutzinas
- Cyprus
- Cyprus (theme)
- Cyprus, History of
- Cyprus, Kingdom of
- Cyprus in the Middle Ages
- Cyriacus the Anchorite
- Cyriacus II, Patriarch of Constantinople
- Saints Cyril and Methodius
- Cyril Mango
- Cyril, Patriarch of Alexandria
- Cyril of Scythopolis
- Cyrrhus
- Cyrus, Patriarch of Constantinople
- Cyrus, Patriarch of Alexandria
- Cyrus of Panopolis
- Cyzicus, Battle of the
- Dalle Carceri
- Dacia, Diocese of
- Dagalaifus (consul 461)
- Dagisthaeus
- Dagmar Cross
- Daimonoioannes
- Dajti Castle
- Dalassenos
- Dalisandus (Isauria)
- Dalisandus (Pamphylia)
- Dalmatia
- Dalmatia (theme)
- Dalmatius
- Damascius
- Damascus
- Damascus, 634 Siege of
- Damian, Coptic Patriarch of Alexandria
- Damian (parakoimomenos)
- Damian of Tarsus
- Damian Dalassenos
- Damietta
- Damietta, 853 Sack of
- Damnazes
- Damsel of Cyprus
- Dance, Byzantine
- Daniel, Greek Apocalypse
- Danielis
- Danishmends
- Danube
- Daphne, Palace of
- Daphni Monastery
- Dara (Mesopotamia)
- Dara, Battle of
- Dara, 573 Siege of
- Dara Dam
- Dardanus (city)
- Darius (praetorian prefect)
- Dark Ages (historiography)
- Dark Ages, Byzantine
- Dathin, Battle of
- Dattus
- Daughter of Julius Constantius
- David (commentator)
- David (son of Heraclius)
- David I of Iberia
- David II of Iberia
- David III of Tao
- David Arianites
- David Plates
- David Saharuni
- David of Ohrid
- David of Trebizond
- Dead Brother's Song, The
- De Administrando Imperio
- Debeltos
- Debeltos, Siege of
- De Ceremoniis
- Decanus
- Decarch (military rank)
- Decius (consul 529)
- Decius (exarch)
- Decius Paulinus
- Decline of the Byzantine Empire
- Degik
- Dejan Dragaš
- Dekanos
- Delhemma
- Demarchos
- Demetrias
- Demetrios I Kantakouzenos
- Demetrios Angelos Doukas
- Demetrios Chloros
- Demetrios Doukas Kabasilas
- Demetrios Doukas Komnenos Koutroules
- Demetrios Iatropoulos
- Demetrios Komnenos Eudaimonoioannes
- Demetrios Kydones
- Demetrios Laskaris Leontares
- Demetrios Palaiologos
- Demetrios Palaiologos (son of Andronikos II)
- Demetrios Palaiologos Kantakouzenos
- Demetrios Palaiologos Metochites
- Demetrios Tzamplakon
- Demetritzes, Battle of
- Demetrius of Anacopia
- Demetrius of Bulgaria
- Demetrius Rhodocanakis
- Demetrius Triclinius
- Demophilus of Constantinople
- Demotika
- Demotika, Battle of
- Deno Geanakoplos
- De obsidione toleranda
- Desa (monarch)
- De Situ Terrae Sanctae
- Despina Khatun
- Despotes
- Devastatio Constantinopolitana
- Develtos
- De velitatione bellica
- Devol (Albania)
- Devol, Treaty of
- Dhu'l-Kala Samayfa
- Dhuvjan Monastery
- Diaconicon
- Dibaltum, Battle of
- Digenes Akritas
- Digest (Roman law)
- Dikaiodotes
- Dikaiophylax
- Dimitri Obolensky
- Dimitris Krallis
- Dimbos, Battle of
- Diocese
- Diocletian
- Diogenes of Phoenicia
- Dioiketes
- Diokleia
- Dionysiopolis
- Dionysios Zakythinos
- Dionysiou monastery
- Dioscorus II, Coptic Patriarch of Alexandria
- Dioscorus of Aphrodito
- Diplomacy, Byzantine
- Diptych
- Dobromir Chrysos
- Dobroslav II
- Dobrodeia of Kiev
- Dobrotitsa
- Dobruja
- Dobruja, Despotate of
- Docheiariou monastery
- Doctrina Jacobi
- Domenico Gattilusio
- Domenico Leoni
- Domentzia
- Domentziolus (brother of Phocas)
- Domentziolus (nephew of Phocas)
- Domestic of the Schools
- Domestikos
- Dometiopolis
- Domitian of Melitene
- Domitius Modestus
- Domnentiolus
- Domnicus
- Donald Nicol
- Donation of Constantine
- Donatism
- Donatus (Huns)
- Donus, Pope of Rome
- Dorino I Gattilusio
- Dorino II Gattilusio
- Dorostolon
- Dorostolon, Siege of
- Dorotheus (magister militum)
- Dorotheus I of Athens
- Dorylaeum
- Dositheus, Patriarch of Constantinople
- Doukas
- Doukas (historian)
- Doukatopoulon
- Doula Mouriki
- Doxapatres Boutsaras
- Dress, Byzantine
- Droctulf
- Dromon
- Drougoubitai
- Droungarios
- Droungarios of the Fleet
- Droungarios of the Watch
- Dryinopolis
- Drypia
- Duchy of Athens
- Duchy of the Archipelago
- Dumbarton Oaks Papers
- Dux
- Dvin earthquake, 863
- Dynatoi
- Dyrrhachium
- Dyrrhachium (theme)
- Dyrrhachium, 1081 Battle of
- Dyrrhachium, 1107–1108 Siege of
- Đorđe Bodinović
- Early Byzantine mosaics in the Middle East
- East, Diocese of the
- East–West Schism
- Eastern Orthodox Church
- Eastern Orthodox liturgical calendar
- Echinades, 1427 Battle of the
- Echinos
- Economy, Byzantine
- Ecthesis
- Edeco
- Edessa
- Edessa, County of
- Edessa, 544 Siege of
- Edward Gibbon
- Egidio Querini
- Egypt (Roman province)
- Egypt (Late Antiquity), Diocese of
- Egypt in the Middle Ages
- Egypt, Muslim conquest of
- Ek prosopou
- Elemag
- Elena Asenina of Bulgaria
- Eleusa icon
- Eleutherios, Harbour of
- Eleutherios the Younger
- Eleutherius (exarch)
- Elias (commentator)
- Elias of Enna
- Elizabeth Jeffreys
- Elizabeth of Slavonia
- Elmingir
- Elpidius (rebel)
- Emesa
- Emesa, 635/6 Siege of
- Emesa, 638 Siege of
- Enamel, Byzantine
- Enaton
- Endemic synod
- Enrico Dandolo
- Enrico de Vigo Paleologo
- Eparchy
- Ephesus
- Ephesus, First Council
- Ephesus, Second Council
- Ephesus, Metropolis of
- Epi tes katastaseos
- Epi tes trapezes
- Epi ton deeseon
- Epi ton kriseon
- Epi tou eidikou
- Epi tou stratou
- Epibatai
- Epiphanius, Patriarch of Constantinople
- Epirus
- Epirus, Despotate of
- Epirus, Despot of
- Episkepsis
- Erard I of Aulnay
- Eraric
- Ernest Mamboury
- Ernst Kitzinger
- Ernst Stein
- Erotapokriseis
- Erzurum earthquake, 840
- Esau de' Buondelmonti
- Escorial Taktikon
- Ese Kapi Mosque
- Eski Imaret Mosque
- Eslas
- Esphigmenou Monastery
- Essence–Energies distinction
- Eternal Peace (532)
- Etymologicum Magnum
- Eudocia
- Eudokia (wife of Justinian II)
- Eudokia, wife of Constantine V
- Eudokia Angelina
- Eudokia Baïana
- Eudokia Dekapolitissa
- Eudokia Ingerina
- Eudokia Komnene (daughter of Alexios I)
- Eudokia Komnene, wife of William VIII of Montpellier
- Eudokia Makrembolitissa
- Eudokia of Trebizond
- Eudokia Palaiologina
- Eudoxia
- Eudoxia Epiphania
- Eudoxius of Antioch
- Eugene I, Pope of Rome
- Eugenius Vulgarius
- Eukarpia
- Eukterion
- Eulalios
- Eulamius
- Eulogios the Persian
- Eulogius, Patriarch of Alexandria
- Eumathios Philokales
- Euphemia (empress)
- Euphemianos, Lysi, Church of Saint
- Euphemius, Patriarch of Constantinople
- Euphemius (Sicily)
- Euphratensis
- Euphrosyne (9th century)
- Euphrosyne Doukaina Kamatera
- Euphrosyne of Bulgaria
- Euripos, Siege of
- Euroea (Epirus)
- Eusebia (empress)
- Eusebius
- Eusebius of Nicomedia
- Eusebius of Thessalonica
- Eustace of Flanders
- Eustathios (governor of the Cibyrrhaeot Theme)
- Eustathios Argyros (admiral under Leo VI)
- Eustathios Argyros (general under Leo VI)
- Eustathios Kamytzes
- Eustathios Kymineianos
- Eustathios Makrembolites
- Eustathios Palatinos
- Eustathios Rhomaios
- Eustathius (consul)
- Eustathius, Patriarch of Constantinople
- Eustathius of Epiphania
- Eustathius of Thessalonica
- Eustratios of Constantinople
- Eustratius Garidas, Patriarch of Constantinople
- Eustratius of Nicaea
- Eutharic
- Euthymios Malakes
- Euthymios Tornikios
- Euthymius I Syncellus, Patriarch of Constantinople
- Euthymius II, Patriarch of Constantinople
- Euthymius of Athos
- Euthymius of Constantinople (11th century)
- Euthymius of Sardis
- Eutolmius Tatianus
- Eutropia
- Eutropius (consul 399)
- Eutropius, Harbor of
- Eutyches
- Eutychianus (consul 398)
- Eutychius, Patriarch of Constantinople
- Eutychius (exarch)
- Ewer of Saint-Maurice d'Agaune
- Evagrius of Antioch
- Evagrius of Constantinople
- Evagrius Scholasticus
- Évelyne Patlagean
- Exarch
- Exaugustus Boioannes
- Excubitors
- Exisotes
- Exokatakoiloi
- Exousiastes
- Ezeritai
- Ezeros
- Fabia Eudokia
- Fadala ibn Ubayd
- Fahl, Battle of
- Fall of Constantinople
- Fanari, Karditsa
- Fariburz
- Faroald II of Spoleto
- Farrukh Hormizd
- Faruriyyah, Capture of
- Fatih Mosque, Tirilye
- Fatih Mosque, Trabzon
- Fatimid Caliphate
- Fausta
- Fausta (wife of Constans II)
- Faustina (wife of Constantius II)
- Faventia, Battle of
- Felice Cornicola
- Felix of Ravenna
- Fenari Isa Mosque
- Feraklos Castle
- Ferdinand Chalandon
- Ferdinand Palaiologos
- Ferran d'Aunés
- Fetih 1453
- Ferrara-Florence, Council of
- Fibula (brooch)
- Fieschi Morgan Staurotheke
- Fifth Ecumenical Council
- Fifty-Year Peace Treaty
- Filioque
- Firaz, Battle of
- First Crusade
- First Ecumenical Council
- First Cyprus Treasure
- Flags and insignia, Byzantine
- Flavia Maximiana Theodora
- Flavia Julia Constantia
- Flavian, Archbishop of Constantinople
- Flavius Anastasius Paulus Probus Moschianus Probus Magnus
- Flavius Cresconius Corippus
- Flavius Hermogenes
- Flavius Studius
- Florence, Council of
- Florent of Hainaut
- Florentius (consul 429)
- Florentius of Sardis
- Foederati
- Follis
- Foreign relations of the Byzantine Empire
- Forty-Nine Martyrs of Scetis
- Forty-Two Martyrs of Amorium
- Fourth Crusade
- Fourth Ecumenical Council
- Francesco I Gattilusio
- Francesco II Gattilusio
- Francis Dvornik
- Frankish Table of Nations
- Frankoulios Servopoulos
- Franks
- Frankokratia
- Franz Dölger
- Fravitta, Patriarch of Constantinople
- Frederick I, Holy Roman Emperor
- Frederick II, Holy Roman Emperor
- Frigidus, Battle of the
- Fulk, King of Jerusalem
- Fyodor Uspensky
- Gabras
- Gabriel of Melitene
- Gabriel Sphrantzes
- Gabriele Trevisano
- Gaeta, Duchy of
- Gagik I of Vaspurakan
- Gagik II of Armenia
- Gainas
- Gaianites
- Galata
- Galatia (Roman province)
- Galaxidi
- Galeria Valeria
- Galesios, Mount
- Galla (wife of Theodosius I)
- Galla Placidia
- Gallipoli, 1312 Battle of
- Gallipoli, 1416 Battle of
- Gallipoli, Fall of
- Gallipoli, Reconquest of
- Gallipoli, Treaty of
- Gardens, Byzantine
- Gardiki, Battle of
- Gardiki Castle, Arcadia
- Gardiki, Phthiotis
- Gardiki, Trikala
- Gardiki Castle, Corfu
- Garella
- Garigliano, Battle of
- Gavinus
- Gaza synagogue
- Gelimer
- Gemistus Pletho
- Gennadius I, Patriarch of Constantinople
- Gennadius II Scholarius, Patriarch of Constantinople
- Gennadius (magister militum Africae)
- Gennadius (7th century)
- Genoa
- Genoa, Republic of
- Genoa, Byzantine war with (1348–1349)
- Gento (Goth)
- Genseric
- Geoffrey I of Villehardouin
- Geoffrey II of Briel
- Geoffrey II of Villehardouin
- Geoffroy de Thoisy
- Geoffrey of Aulnay
- Geoffrey of Briel
- Geoffrey of Villehardouin
- St. George (Kurbinovo), Church of
- St. George Diasoritis, Church of
- St. George (Skyros), Monastery of
- George, Emperor of Trebizond
- George I, Patriarch of Constantinople
- George I of Bulgaria
- George II Xiphilinus, Patriarch of Constantinople
- George II of Abkhazia
- George II of Bulgaria
- George (eparch)
- George Akropolites
- George Bardanes
- George Choiroboskos
- George Choumnos
- George Doukas Philanthropenos
- George Galesiotes
- George Kedrenos
- George Kleidas
- George Maniakes
- George Moschabar
- George Mouzalon
- George of Amastris
- George of Cyprus
- George of Kiev
- George of Naples
- George of Pisidia
- George of Trebizond
- George Ostrogorsky
- George Pachymeres
- George Palaiologos
- George Palaiologos Kantakouzenos
- George Phakrases
- George Synadenos Astras
- George Syncellus
- George Tagaris
- George the Confessor
- George the Standard-Bearer
- Georgi Voyteh
- Georgi Voyteh, Uprising of
- Georgia (country)
- Georgia (country), History of
- Georgia, 1022 Byzantine treaty with
- Georgia, 1031 Byzantine treaty with
- Georgia, Byzantine wars with
- Georgios Kalliergis
- Georgius Tzul
- Geraki, Barony of
- Gerasimus I, Patriarch of Constantinople
- Germanicia
- Germanicia, Siege of
- Germanicopolis (Bithynia)
- Germanicopolis, Isauria
- Germanus I, Patriarch of Constantinople
- Germanus II, Patriarch of Constantinople
- Germanus III, Patriarch of Constantinople
- Germanus (Caesar)
- Germanus (cousin of Justinian I)
- Germanus (magister militum under Phocas)
- Germanus (patricius)
- Germia
- Gessius (praetorian prefect)
- Ghassanids
- Al-Ghazal
- Ghisi
- Geremia Ghisi
- Giacomo Baseggio
- Gibal
- Giorgio de' Buondelmonti
- Giovanni I Participazio
- Giovanni Andrea I Angeli
- Giovanni Andrea II Angeli
- Giovanni Colonna (died 1245)
- Giovanni Demetrio Angeli
- Giovanni Galbaio
- Giovanni Giustiniani
- Giovanni Michiel (13th century)
- Girolamo I Angeli
- Girolamo II Angeli
- Gisulf I of Benevento
- Gisulf I of Salerno
- Gisulf II of Benevento
- Giudicati
- Giustiniano Participazio
- Gjin Bua Spata
- Gjon Zenebishi
- Glarentza
- Glass, Byzantine
- Glavinica (medieval town)
- Glycerius
- Glyki
- Godas
- Godescalc of Benevento
- Godfrey of Bouillon
- Godfrey of Esch
- Godilas
- Golden Horn
- Gordas
- Gordoservon
- Göreme, Churches of
- Gothia, Metropolitanate of
- Gothic War (535–554)
- Gothograecia
- Gradinja
- Gradislav Borilović
- Graitzas Palaiologos
- Grand Domestic
- Grasulf I of Friuli
- Gratian
- Great Lavra (Athos)
- Great Moravia
- Great Palace of Constantinople
- Great Palace Mosaic Museum
- Great Vlachia
- Greece
- Greece, Byzantine
- Greek, Roman, and Byzantine Studies
- Greek fire
- Greek language
- Greek Madonna (sculpture)
- Greeks, Byzantine
- Gregentios
- Gregoras Iberitzes
- Gregoria
- Gregory, Patriarch of Antioch
- Gregory I the Great, Pope of Rome
- Gregory I of Nazianzus, Archbishop of Constantinople
- Gregory I of Naples
- Gregory II, Pope of Rome
- Gregory II of Cyprus, Patriarch of Constantinople
- Gregory II of Naples
- Gregory III, Pope of Rome
- Gregory III Mammas, Patriarch of Constantinople
- Gregory III of Naples
- Gregory IV of Naples
- Gregory VII, Pope of Rome
- Gregory Akindynos
- Gregory Antiochos
- Gregory Asbestas
- Gregory Chioniades
- Gregory Gabras
- Gregory Kamateros
- Gregory Kamonas
- Gregory of Benevento
- Gregory of Dekapolis
- Gregory Pakourianos
- Gregory Pakourianos the Younger
- Gregory Palamas
- Gregory Pterotos
- Gregory Tarchaneiotes
- Gregory Taronites
- Gregory Taronites (governor of Chaldia)
- Gregory the Patrician
- Saint Gregory of Nyssa Church, Trabzon
- Grigor I of Taron
- Grimoald, King of the Lombards
- Grimoald III of Benevento
- Gritzena, Barony of
- Grubeša
- Guaimar I of Salerno
- Guaimar II of Salerno
- Guaimar III of Salerno
- Guaimar IV of Salerno
- Guaram I of Iberia
- Guaram II of Iberia
- Guaram III of Iberia
- Gubazes I of Lazica
- Gubazes II of Lazica
- Guglielmo Cavallo
- Gulf of Corinth, Battle of the
- Gulfaris
- Gulkhan-Eudokia of Georgia
- Gül Mosque
- Guntarith
- Gunthamund
- Gunthertuch
- Gurgen I of Tao
- Gustave Schlumberger
- Guy II de la Roche
- Guy IV of Spoleto
- Guy of Hauteville
- Guy Pallavicini
- Habib ibn Maslama al-Fihri
- Al-Hadi
- Haemimontus
- Hagia Irene
- Hagia Sophia
- Hagia Sophia, Drama
- Hagia Sophia, Iznik
- Hagia Sophia, Thessaloniki
- Hagia Sophia Church, Sofia
- Hagia Sophia, Trabzon
- Hagios Demetrios
- Hajji Amir
- Al-Hakim bi-Amr Allah
- Hamazasp IV Mamikonian
- Hamdanid dynasty
- Hançerkale
- Hannibalianus
- Hans Georg Beck
- Harald Hardrada
- Haram, Battle of
- Harbaville Triptych
- Harim, Battle of
- al-Harith ibn al-Hakam
- al-Harith ibn Jabalah
- Harun al-Rashid
- Al-Hasan ibn al-Abbas
- Al-Hasan ibn Ali al-Kalbi
- Al-Hasan ibn Ali Kurah
- Al-Hasan ibn Ammar
- Al-Hasan ibn Qahtaba
- Hebdomon
- Hebdomon, Cistern of the
- Hegias
- Helena, daughter of Alypius
- Helena
- Helena (wife of Julian)
- Helena (niece of Justin II)
- Helena Angelina Doukaina
- Helena Angelina Komnene
- Helena Argyre
- Helena Asanina Kantakouzene
- Helena Doukaina Angelina
- Helena Dragaš
- Helena Kantakouzene
- Helena Kantakouzene, Empress of Trebizond
- Helena Lekapene
- Helena Palaiologina (daughter of Demetrios Palaiologos)
- Helene Ahrweiler
- Heliodorus (philosopher)
- Helion (magister officiorum)
- Heliopolis, Battle of
- Heliou Bomon monastery
- Hellas (theme)
- Hellenic Institute of Byzantine and Post-Byzantine Studies in Venice
- Hellenization in the Byzantine Empire
- Henotikon
- Henri Grégoire (historian)
- Henry of Flanders
- Heraclea in Trachis
- Heraclian revolt
- Heraclides (bishop)
- Heraclius
- Heraclius' campaign of 622
- Heraclius (brother of Tiberius III)
- Heraclius (son of Constans II)
- Heraclius of Edessa
- Heraclius the Elder
- Heraklonas
- Herbert Hunger
- Heresy
- Hermit
- Hermogenes (magister officiorum)
- Hermoniakos' Iliad
- Hero the Younger
- Herodian (commander)
- Hervé Frankopoulos
- Hestia Tapestry
- Hesychasm
- Hesychast controversy
- Hesychius of Miletus
- Hetaireia
- Hetaireiarches
- Hexagram (currency)
- Hexamilion wall
- Hexapolis of Armenia Minor
- Hierapolis
- Hierapolis, Metropolitan See of
- Hieria
- Hieria, Council of
- Hierius (consul)
- Hierocles (author of Synecdemus)
- Hikanatoi
- Hilandar
- Hilarion
- Hilarion the Younger
- Hilarion, Castle of Saint
- Hildeprand
- Hilderic
- Himerios (admiral)
- Hippiatrica
- Hippodrome of Constantinople
- Hirami Ahmet Pasha Mosque
- Hisarlaka fortress
- Hisham ibn Abd al-Malik
- Histamenon
- Historia Augusta
- History of Anatolia
- History of Istanbul
- History of Roman and Byzantine domes
- Holy Apostles, Church of the (Constantinople)
- Holy Apostles, Church of the (Thessaloniki)
- Holy Crown of Hungary
- Holy Roman Empire
- Holy Sepulchre, Church of
- Holy Trinity, Church of the (Athens)
- Honorius (emperor)
- Honorius I, Pope of Rome
- Hormidac
- Hormizd (Constantinople)
- Hormizd II
- Hormizd III
- Hormizd IV
- Horreum Margi, Battle of
- Hosios Loukas
- Hospito
- Hovhannes-Smbat III of Armenia
- Hrach Bartikyan
- Hranislav
- Hugh I, Count of Vermandois
- Hugh IV, Count of Saint-Pol
- Hugh of Champlitte
- Hugo Etherianis
- Humayd ibn Ma'yuf al-Hajuri
- Huneric
- Hungary, Byzantine war with (1127–1129)
- Hungary, Byzantine war with (1180–1185)
- Hungary, Kingdom of
- Hungary, Principality of
- Hyelion and Leimocheir, Battle of
- Hypatia
- Hypatius
- Hypatos
- Hypatos ton philosophon
- Hyperpyron
- Hypodiastole
- Iacopo Barozzi
- Iacopo II Barozzi
- Iatrosophia
- Iberia (Caucasus)
- Iberia, Principate of
- Iberian War
- Ibn al-Faqih
- Ibn al-Ikhshad
- Ibn az-Zayyat (governor of Tarsus)
- Ibn Khordadbeh
- Ibn Mulhim
- Ibrahim Inal
- Icon
- Icon of the Annunciation, St. Catherine's Monastery
- Iconium
- Iconium, Metropolis of
- Iconodule
- Iconolatry
- Iconoclasm, Byzantine
- Idolatry
- Ignatios Glabas
- Ignatios the Deacon
- Ignatius, Patriarch of Constantinople
- Ignatius of Bulgaria
- Ikhtiyar al-Din Hasan ibn Ghafras
- Ildibad
- Illus
- Illyrian emperors
- Illyricum, Diocese of
- Illyricum, Praetorian prefecture of
- Immortals (Byzantine Empire)
- Imperial Library of Constantinople
- İnceğiz, Battle of
- Indiction
- Indulf (6th century)
- Innocent III, Pope of Rome
- Innovation in Byzantine medicine
- Ino Anastasia
- Institutes of Justinian
- Insulae (Roman province)
- Ioakim Korsunianin
- Ioannes Kegen
- Ioannina
- Ioannina Castle
- Ioannina, Chronicle of
- Iohannes (consul 467)
- Iohannis (epic poem)
- Irene Asanina
- Irene Doukaina
- Irene Gattilusio
- Irene Kantakouzene
- Irene Komnene Doukaina
- Irene Komnene Palaiologina
- Irene Laskarina
- Irene of Athens
- Irene of Brunswick
- Irene of Hungary
- Irene of Montferrat
- Irene of Trebizond
- Irene Palaiologina (Byzantine empress)
- Irene Palaiologina, Empress of Bulgaria
- Irene Palaiologina of Trebizond
- Irene Syrikaina
- Iron Bridge, Battle of the
- Isaac I Komnenos
- Isaac II Angelos
- Isaac Argyros
- Isaac Doukas Vatatzes
- Isaac Komnenos (brother of Alexios I)
- Isaac Komnenos (son of Alexios I)
- Isaac Komnenos (son of John II)
- Isaac Komnenos of Cyprus
- Isaac Komnenos Vatatzes
- Isaac Kontostephanos
- Isaac Laskaris
- Isaac the Armenian
- Isabella of Villehardouin
- Isaias, Patriarch of Constantinople
- Isaura Nea
- Isaura Palaea
- Isauria
- Isaurian War
- Isbul
- Isidore Glabas
- Isidore of Miletus
- Isidore I, Patriarch of Constantinople
- Islam, History of
- Islamic architecture
- Italo-Byzantine
- Italy, History of
- Ivan Alexander of Bulgaria
- Ivan Asen I of Bulgaria
- Ivan Asen II of Bulgaria
- Ivan Asen III of Bulgaria
- Ivanko of Bulgaria
- Ivan Shishman of Bulgaria
- Ivan Sratsimir of Bulgaria
- Ivan Stephen of Bulgaria
- Ivan the Russian
- Ivaylo of Bulgaria
- Ivaylo, Uprising of
- Iviron monastery
- Iyad (tribe)
- Iyad ibn Ghanm
- Izadgushasp
- Jabalah ibn al-Aiham
- Jabalah IV ibn al-Harith
- Jabalia, Byzantine Church of
- Jacob Baradaeus
- Jacopo Dolfin
- Jacopo Dondulo
- Jacopo Gattilusio
- Ja'far ibn Dinar al-Khayyat
- Jakob Philipp Fallmerayer
- James IV of Majorca
- James of Baux
- Jarrahids
- Jean Le Maingre
- Jerusalem
- Jerusalem during the Byzantine period
- Jerusalem, 536 Council of
- Jesus, Depiction of
- Jewish revolt against Constantius Gallus
- Jiajak Jaqeli
- Joachim of Korsun
- Joanna I of Naples
- Joan III, Countess of Burgundy
- Joannes Actuarius
- Joannes Zonaras
- Joannicius the Great
- John I, Archbishop of Cyprus
- John I (II), Coptic Patriarch of Alexandria
- John I Doukas of Thessaly
- John I Lemigius
- John I of Trebizond
- John I Orsini
- John I Tzimiskes
- John I Tzimiskes, Syrian campaigns of
- John II Doukas of Thessaly
- John II Komnenos
- John II of Naples
- John III of the Sedre
- John II of Trebizond
- John II Orsini
- John II Platinus
- John II (III), Coptic Patriarch of Alexandria
- John II, Patriarch of Constantinople
- John II, Bishop of Jerusalem
- John III Doukas Vatatzes
- John III of Naples
- John III of Trebizond
- John III Rizocopus
- John III Scholasticus, Patriarch of Constantinople
- John III, Pope of Rome
- John IV, Patriarch of Alexandria
- John IV Nesteutes, Patriarch of Constantinople
- John IV, Pope of Rome
- John IV Laskaris
- John IV of Naples
- John IV of Trebizond
- John V, Pope of Rome
- John V, Patriarch of Constantinople
- John V of Naples
- John V Palaiologos
- John VI Kantakouzenos
- John VI, Pope of Rome
- John VI, Patriarch of Constantinople
- John VII Grammatikos, Patriarch of Constantinople
- John VII, Pope of Rome
- John VII Palaiologos
- John VIII bar Abdoun
- John VIII Palaiologos
- John VIII Palaiologos, Medal of
- John VIII Xiphilinos, Patriarch of Constantinople
- John VIII, Pope of Rome
- John X Kamateros, Patriarch of Constantinople
- John XI Bekkos, Patriarch of Constantinople
- John XII, Patriarch of Constantinople
- John XIII Glykys, Patriarch of Constantinople
- John XIII, Pope of Rome
- John XIV Kalekas, Patriarch of Constantinople
- John XXII, Pope of Rome
- John (nephew of Vitalian)
- John Agapetus
- John Anagnostes
- John Angelos (protostrator)
- John Angelos (sebastokrator)
- John Angelus of Syrmia
- John Apokaukos
- John Apokaukos (died 1345)
- John Athalarichos
- John Axouch
- John Bagnell Bury
- John Belissariotes
- John Cassian
- John Chaldos
- John Chauderon
- John Chortasmenos
- John Choumnos
- John Chryselios
- John Chrysostom
- John Cottistis
- John de lo Cavo
- John Diakrinomenos
- John Doukas (Caesar)
- John Doukas (megas doux)
- John Doukas (sebastokrator)
- John Doukas (son of Michael II)
- John Doukas Angelos Palaiologos Raoul Laskaris Tornikes Philanthropenos Asen
- John Doukas (megas hetaireiarches)
- John Doukas Komnenos
- John Drimys
- John, Duke of Durazzo
- John Eladas
- John Eugenikos
- John Gabalas
- John Geometres
- John George Heracleus Basilicos[
- John Hagiopolites
- John Haldon
- John Ionopoulos
- John Ioubes
- John Ises
- John Italus
- John Julius Norwich
- John Kaloktenes
- John Kamateros (logothetes tou dromou)
- John Kammytzes
- John Kantakouzenos (Caesar)
- John Kantakouzenos (despot)
- John Kantakouzenos (pinkernes)
- John Kantakouzenos (sebastos)
- John Kladas
- John Komnenos (Domestic of the Schools)
- John Komnenos (governor of Dyrrhachium)
- John Komnenos (parakoimomenos)
- John Komnenos (son of Andronikos I)
- John Komnenos Doukas
- John Komnenos the Fat
- John Komnenos Vatatzes
- John Kontostephanos (son of Stephen)
- John Kourkouas
- John Kourkouas (9th century)
- John Kourkouas (catepan)
- John Kourkouas (died 971)
- John Kyparissiotes
- John Lazaropoulos
- John Malalas
- John Maron
- John Moschus
- John Mystacon
- John Mystikos
- John of Antioch (chronicler)
- John of Brienne
- John of Cappadocia
- John of Constantinople
- John of Conza
- John of Ephesus
- John of Epiphania
- John of Gaza
- John of Thebes
- John Palaiologos (brother of Michael VIII)
- John Palaiologos (Caesar)
- John Palaiologos (son of Andronikos II)
- John Pediasimos
- John Petraliphas
- John Phakrases
- John Phokas
- John Phrangopoulos
- John Pitzigaudes
- John Plytos
- John Proteuon
- John Raoul Petraliphas
- John Raphael
- John Rhadenos
- John Robert Martindale
- John Rogerios Dalassenos
- John Scholasticus
- John Spyridonakes
- John Synadenos (megas konostaulos)
- John Synadenos (megas stratopedarches)
- John Tarchaneiotes
- John Taronites (sebastos)
- John the Armenian
- John the Deacon (Byzantine writer)
- John the Cappadocian
- John the Eunuch (Trebizond)
- John the Exarch
- John the Hunchback
- John the Iberian
- John the Lydian
- John the Orphanotrophos
- John the Rhaiktor
- John the Scythian
- St. John, Basilica of (Ephesus)
- St. John the Theologian, Monastery of
- John Troglita
- John Tzelepes Komnenos
- John Tzetzes
- John Tzibus
- John Uroš
- John Vatatzes (megas stratopedarches)
- John W. Barker
- John Xenos
- Jordanes
- Joscelin of Molfetta
- Joseph I Galesiotes, Patriarch of Constantinople
- Joseph II, Patriarch of Constantinople
- Joseph Bringas
- Joseph Bryennios
- Joseph the Confessor
- Joshua Roll
- Jovan Oliver
- Jovan Uglješa
- Jovan Vladimir
- Jovian (emperor)
- Judham, Banu
- Judith Herrin
- Julian (emperor)
- Julian (I) of Antioch
- Julian II of Antioch
- Julian of Halicarnassus
- Julian's Persian expedition
- Julianus ben Sabar
- Juliopolis
- Julius Nepos
- Julius Nepos's wife
- Julius Patricius
- Junada ibn Abi Umayya al-Azdi
- Junayd of Aydın
- Junillus
- Jurisprudence
- Justa Grata Honoria
- Justin I
- Justin II
- Justin (Moesia)
- Justin (consul 540)
- Justin (magister militum per Illyricum)
- Justinian I
- Justinian II
- Justinian (magister militum per Orientem)
- Justinian dynasty
- Justiniana Prima
- Justiniana Prima, Archbishopric of
- Kabbadion
- Kaisariani Monastery
- Kalamata
- Kalavrye
- Kalavrye, Battle of
- Kalavryta, Barony of
- Kalb, Banu
- Kalbids
- Kalenderhane Mosque
- Kaliman I of Bulgaria
- Kalokyros
- Kalokyros Delphinas
- Kaloyan of Bulgaria
- Kamytzes
- Kanalites
- Kandik
- Kanikleios
- Kanstresios
- Kantakouzenos
- Kantara Castle
- Kaper Koraon Treasure
- Karabisianoi
- Karakabaklı
- Karakalou monastery
- Karaman Castle
- Karbeas
- Kardarigan (6th century)
- Kardarigan (7th century)
- Kardia, Battle of
- Karl Eduard Zachariae von Lingenthal
- Karl Hopf (historian)
- Karl Krumbacher
- Karykes
- Karytaina, Barony of
- Kassandreia
- Kassia
- Kassiopi Castle
- Kastoria
- Kastrophylax
- Kastro tis Orias (ballad)
- Katakalon
- Katakalon Kekaumenos
- Kata (daughter of David IV of Georgia)
- Katasyrtai, Battle of
- Katepano
- Kaykhusraw I
- Kaysites
- Kavad I
- Kavad II
- Kecharitomene Monastery
- Kefeli Mosque
- Kephale
- Kerak
- Keramaia, Battle of
- Keratsa of Bulgaria
- Kesta Styppiotes
- Khazars
- Khosrow I
- Khosrow II
- Khurramites
- Khwarrahbud
- Kiev
- Kievan Rus'
- Kievan Rus', Christianization of the
- Kilij Arslan I
- Kilij Arslan II
- Kilij Arslan III
- Kinsterna
- Kızıl Kilise
- Kleidion, Battle of
- Kleisoura (Byzantine district)
- Kletorologion
- Klimova Treasure
- Klivanion
- Klokotnitsa, Battle of
- Koca Mustafa Pasha Mosque
- Kočapar Branislavljević
- Koine Greek
- Kokkinobaphos Master
- Koloneia on the Lykos
- Koloneia (theme)
- Kommata
- Kommerkiarios
- Komnene, daughter of Alexios I of Trebizond
- Komnenian Byzantine army
- Komnenion, Monastery of
- Komnenos
- Konostaulos
- Konstamonitou Monastery
- Konstantinos Amantos
- Konstantios Doukas
- Kontakion
- Kontoleon Tornikios
- Kontoskalion
- Kontostephanos
- Kopidnadon, Battle of
- Korymbos (headgear)
- Kos
- Köse Mihal
- Kosmidion
- Kosmidion, Battle of
- Kouboukleisios
- Kouropalates
- Kourtikios
- Koustouganes
- Krasos, Battle of
- Krateros (strategos of the Cibyrrhaeots)
- Krenites Arotras
- Kritai katholikoi
- Krum
- Ktenia (fortress)
- Kursi, Sea of Galilee
- Kursich
- Kykkos Monastery
- Kyklobion
- Kyros of Constantinople
- Ladislaus II of Hungary
- Lady of Neuville
- Laguatan
- Lalakaon, Battle of
- Lamentatio sanctae matris ecclesiae Constantinopolitanae
- Lamia (city)
- Lampsacus
- Lampsacus Treasure
- Landulf I of Benevento
- Landulf II of Benevento
- Landulf IV of Benevento
- Landulf V of Benevento
- Laodicea in Syria
- Laodicea in Syria, 636 Siege of
- Laodicea on the Lycus
- Laodicea on the Lycus, 1119 Siege of
- Lardea
- Large Sakkos of Photius
- Larissa
- Larissa, Battle of
- Laskaris
- Laskaris Kananos
- Late antiquity
- Late Greek
- Latin Emperor
- Latin Empire
- Latin Empire, Nicaean wars with the
- Law, Byzantine
- Law, Roman
- Lazar of Serbia
- Lazaros of Mount Galesios
- Lazarus Zographos
- St. Lazarus (Larnaca), Church of
- Lazia (theme)
- Lazica
- Lazic War
- Leander of Seville
- Lekapenos
- Lemnos
- Lemnos, 1024 Battle of
- Leo I (emperor)
- Leo, Column of
- Leo I, Pope of Rome
- Leo I, Prince of Armenia
- Leo I, King of Armenia
- Leo II (emperor)
- Leo II, Pope of Rome
- Leo II Mung
- Leo III the Isaurian
- Leo III, Pope of Rome
- Leo IV the Khazar
- Leo V the Armenian
- Leo VI the Wise
- Leo Apostyppes
- Leo Argyros (9th century)
- Leo Argyros (10th century)
- Leo Chamaidrakon
- Leo Choirosphaktes
- Leo Diogenes
- Leo Gabalas
- Leo Kalothetos
- Leoluca
- Leo of Chalcedon
- Leo of Ohrid
- Leo of Synada
- Leo Paraspondylos
- Leo Passianos
- Leo Phokas the Elder
- Leo Phokas the Younger
- Leo Rhabdouchos
- Leo Sakellarios
- Leo Sarakenopoulos
- Leo Scepter
- Leo Sgouros
- Leo Styppes, Patriarch of Constantinople
- Leo the Deacon
- Leo the Mathematician
- Leo the Physician
- Leo Tornikios
- Leo Tornikios Kontoleon
- Leo Tuscus
- Leon I of Abkhazia
- Leon II of Abkhazia
- Leonard of Chios
- Leonardo I Tocco
- Leonardo II Tocco
- Leonardo III Tocco
- Leonid dynasty
- Leontia (daughter of Leo I)
- Leontia
- Leontios
- Leontios of Neapolis
- Leontius, Patriarch of Constantinople
- Leontius (usurper)
- Leontius of Bulgaria
- Leontius of Damascus
- Leontius of Jerusalem
- Leontios Theotokites
- Lesbos
- Lesbos, Ottoman conquest of
- Leslie Brubaker
- Levant, History of the
- Levounion, Battle of
- Łewond
- Libadarios
- Liberatus of Carthage
- Liberius (praetorian prefect)
- Licario
- Licinia Eudoxia
- Lidoriki
- Limburg Staurotheke
- Limitanei
- Limnia (Pontus)
- Lindos
- Liparit IV, Duke of Kldekari
- Literature, Byzantine
- Little Hagia Sophia
- Liutprand, King of the Lombards
- Liutprand of Benevento
- Liutprand of Cremona
- Liuvigild
- Livias
- Ljutovid of Zahumlje
- Lochagos
- Loci communes (Pseudo-Maximus)
- Logariastes
- Logothete
- Logothetes ton agelon
- Logothetes ton oikeiakon
- Logothetes tou dromou
- Logothetes tou genikou
- Logothetes tou praitoriou
- Logothetes tou stratiotikou
- Lombards
- Lombard–Gepid War (567)
- Lombards, Byzantine wars with the
- Longibardopoulos
- Longinus (consul 486)
- Longinus (missionary)
- Longinus of Cardala
- Longinus of Selinus
- Longobardia
- Long Wall (Thracian Chersonese)
- Lopadion
- Loros
- Losorion
- Louis I, Count of Blois
- Louis I, Duke of Bourbon
- Louis VII of France
- Louis Bréhier
- Louis of Burgundy
- Louis, Prince of Taranto
- Loukas Notaras
- Loulon
- Louloudies
- Lucania (theme)
- Lucillianus (fleet commander)
- Lucillianus (magister equitum)
- Lucius (consul 413)
- Luke Chrysoberges, Patriarch of Constantinople
- Luke of Steiris
- Lu'lu' al-Kabir
- Lupus Protospatharius
- Lykandos
- Lyon, Second Council of
- Lyra, Byzantine
- Macarius of Egypt
- Macarius, Patriarch of Constantinople
- Macedonia (region)
- Macedonia (theme)
- Macedonia, Diocese of
- Macedonian art (Byzantine)
- Macedonian dynasty
- Macedonian Renaissance
- Macedonius I, Bishop of Constantinople
- Macedonius II, Patriarch of Constantinople
- Macedonius of Thessalonica
- Madaba Map
- Madonna di sant'Alessio
- Magical Treatise of Solomon
- Magister militum
- Magister officiorum
- Magistros
- Magnaura
- Mahbod (envoy)
- Al-Mahdi
- Maiuma
- Majorian
- Makarios Melissenos
- Makarios of Pelekete
- Makrembolites
- Makrinitissa Monastery
- Makroioannes
- Makryplagi, Battle of
- Malagina
- Malakasioi
- Malamirovo Inscription
- Maleinos
- Małgorzata Dąbrowska
- Malian Gulf earthquake, 551
- Malik ibn Kaydar
- Malik-Shah I
- Malik Shah (Rûm)
- Malta, Byzantine
- Mamas (Hun prince)
- Mamas, Monastery of St.
- Mamistra, Battle of
- Mammes, Battle of
- al-Ma'mun
- Manastır Mosque, Istanbul
- Mandator
- Mandylion
- Mangana (Constantinople)
- Manglabites
- Manjutakin
- Mani Peninsula
- Manichaeism
- Manolis Hatzidakis
- al-Mansur
- Mansur ibn Lu'lu'
- Mansur ibn Sarjun
- Manuel I Komnenos
- Manuel I of Trebizond
- Manuel II Palaiologos
- Manuel II, Patriarch of Constantinople
- Manuel II of Trebizond
- Manuel III of Trebizond
- Manuel Anemas
- Manuel Angelos Philanthropenos
- Manuel Bochalis
- Manuel Boutoumites
- Manuel Bryennios
- Manuel Charitopoulos
- Manuel Chrysaphes
- Manuel Chrysoloras
- Manuel Erotikos Komnenos
- Manuel Fokas
- Manuel Holobolos
- Manuel Kalekas
- Manuel Kamytzes
- Manuel Kantakouzenos
- Manuel Kantakouzenos (usurper)
- Manuel Komnenos (kouropalates)
- Manuel Komnenos (son of Andronikos I)
- Manuel Komnenos Doukas
- Manuel Komnenos Raoul
- Manuel Kourtikes
- Manuel Maurozomes
- Manuel Moschopoulos
- Manuel Opsaras Dishypatos
- Manuel Palaiologos
- Manuel Panselinos
- Manuel Raoul
- Manuel Tagaris
- Manuel the Armenian
- Manuele Zaccaria
- Manzikert
- Manzikert, Battle of
- Manzikert, 1054 Battle of
- Maraj-al-Debaj, Battle of
- Marash, 953 Battle of
- Marcellae, Battle of
- Marcellae, 756 Battle of
- Marcellinus Comes
- Marcello Tegalliano
- Marcellus (general under Justinian I)
- Marcellus (comes excubitorum)
- Marcellus (brother of Justin II)
- Marcia Euphemia
- Marcian
- Marcian (cousin of Justin II)
- Marcian (usurper)
- Marcian of Heraclea
- Marcianopolis
- Marco Angeli
- Marco Bembo
- Marco Gausoni
- Marco Gradenigo
- Marcus (son of Basiliscus)
- Mardaite revolts
- Mardaites
- Margaret Mullett
- Margaret of Hungary
- Margaret of Burgundy, Queen of Sicily
- Margaret of Durazzo
- Margaret of Villehardouin
- Maria (daughter of Maurice)
- Maria (empress)
- Maria, wife of Leo III
- Maria, wife of Constantine V
- Maria Angelina Doukaina Palaiologina
- Maria Argyropoulina
- Maria-Irene Palaiologina
- Maria Komnene (daughter of Alexios I)
- Maria Komnene (daughter of Manuel I)
- Maria Komnene, Queen of Hungary
- Maria Komnene, Queen of Jerusalem
- Mariam (daughter of Bagrat IV of Georgia)
- Maria of Alania
- Maria of Amnia
- Maria of Antioch
- Maria of Bulgaria
- Maria of Bulgaria, Latin Empress
- Maria of Calabria
- Maria of Gothia
- Maria of Mangup
- Maria of Trebizond
- Maria Palaiologina
- Maria Palaiologina, Queen of Serbia
- Maria Palaiologina Kantakouzene
- Maria Petraliphaina
- Marianos Argyros
- Marie de Bourbon, Princess of Achaea
- Marie of Brienne
- Marie of Champagne
- Marie de Courtenay
- Marino Dandolo
- Marinus I, Pope of Rome
- Marinus I of Naples
- Marinus II of Naples
- Marinus (praetorian prefect)
- Marios Philippides
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- Markos Palaiologos Iagaris
- Mark Whittow
- Marmara Sea
- Marmaritzana
- Maronite Church
- Marriage Charter of Empress Theophanu
- Martin (magister militum per Armeniam)
- Martin I, Pope of Rome
- Martin IV, Pope of Rome
- Martina (empress)
- Martino Zaccaria
- Martinus (son of Heraclius)
- Martorana
- Martyropolis
- Martyropolis, 502 Siege of
- Martyropolis, 531 Siege of
- Martyropolis, 588 Battle of
- Maruli
- Maruzas
- Marwanids
- Mary of Avesnes
- Mary of Egypt
- Mary of Hungary, Queen of Naples
- Mary the Younger
- Mary, Church of (Ephesus)
- St. Mary Peribleptos, Church of
- St. Mary of Blachernae (Istanbul), Church of
- St. Mary of the Mongols, Church of
- St. Mary of the Spring (Istanbul), Church of
- Mary's Well
- Maslama ibn Abd al-Malik
- Maslama ibn Hisham
- Maslama ibn Mukhallad al-Ansari
- Mastaura (Caria)
- Mastaura (Lycia)
- al-Masudi
- Masuna
- Matasuntha
- Maternus Cynegius
- Matilda of Hainaut
- Matthew I, Patriarch of Constantinople
- Matthew Blastares
- Matthew Kantakouzenos
- Matthew Palaiologos Asen
- Matzouka
- Maurice
- Maurice's Balkan campaigns
- Maurice Spata
- Maurikios Chartoularios
- Maurizio Galbaio
- Maurocastrum
- Mauropotamos, Battle of
- Mauro-Roman Kingdom
- Mauros
- Mausoleum of Galla Placidia
- Maximianus, Archbishop of Constantinople
- Maximianus of Ravenna
- Maximos Kausokalybites
- Maximos Planoudes
- Maximus I, Archbishop of Constantinople
- Maximus II, Patriarch of Constantinople
- Maximus the Confessor
- Medicine, Byzantine
- Medieval architecture
- Medieval Greek
- Medikion monastery
- Medina, 1053–54 Siege of
- Megara, 1359 Battle of
- Megas adnoumiastes
- Megas archon
- Megas dioiketes
- Megas domestikos
- Megas doux
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- Mehmed I
- Mehmed II
- Melantias
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- Meletios the Younger
- Melias
- Melias (Domestic of the Schools)
- Melingoi
- Melissenos
- Melite (ancient city)
- Melite, 870 Siege of
- Melitene
- Melkite
- Melenikon
- Melus of Bari
- Memnon of Ephesus
- Menander Protector
- Menas, Patriarch of Constantinople
- Menaulion
- Menologion of Basil II
- Menteshe
- Merarches
- Merena
- Merobaudes (magister peditum)
- Merope (region)
- Mesazon
- Mese (Constantinople)
- Mesopotamia (Roman province)
- Mesopotamia (theme)
- Mesud I
- Meteora
- Methodius I, Patriarch of Constantinople
- Methodius II, Patriarch of Constantinople
- Methoni, Messenia
- Metrophanes II, Patriarch of Constantinople
- Michael I Rangabe
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- Michael I Komnenos Doukas
- Michael II
- Michael II Kourkouas, Patriarch of Constantinople
- Michael II Komnenos Doukas
- Michael III
- Michael III, Patriarch of Constantinople
- Michael IV the Paphlagonian
- Michael IV Autoreianus, Patriarch of Constantinople
- Michael V
- Michael VI Bringas
- Michael VII Doukas
- Michael VIII Palaiologos
- Michael IX Palaiologos
- Michael (son of Anastasios the logothete)
- Michael Angold
- Michael Apokapes
- Michael Apostolius
- Michael Apsaras
- Michael Asen I of Bulgaria
- Michael Aspietes
- Michael Astrapas and Eutychios
- Michael Attaleiates
- Michael Choniates
- Michael Choumnos
- Michael Dermokaites
- Michael Dokeianos
- Michael Doukas (protostrator)
- Michael Doukas Glabas Tarchaneiotes
- Michael Gabras
- Michael Glykas
- Michael Italikos
- Michael Kaballarios
- Michael Kantakouzenos (died 1316)
- Michael Kantakouzenos (died 1264)
- Michael Kourtikios
- Michael Lachanodrakon
- Michael Laskaris
- Michael Maleinos
- Michael Maurex
- Michael Melissenos
- Michael Monomachos
- Michael of Synnada
- Michael of Trebizond
- Michael Palaiologos (general)
- Michael Palaiologos (son of Andronikos III)
- Michael Palaiologos (son of John V)
- Michael Panaretos
- Michael Protospatharios
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- Michael Spondyles
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- Michael Toxaras
- Michaelaton
- Michaelion
- Middle Ages
- Middle Eastern archaeology
- Mihailo Vojislavljević
- Mihaloğlu Mehmed Bey
- Mihr-Mihroe
- Milazzo, 888 Battle of
- Miletus
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- Miliaresion
- Milion
- Military manuals, Byzantine
- Minervina
- Mints, Byzantine
- Miracles of Saint Demetrius
- Mirdasid dynasty
- Miriarcha
- Miroslava of Bulgaria
- Missorium of Theodosius I
- Mitato
- Mitso Asen of Bulgaria
- Mixobarbaroi
- Mizizios
- Mjej II Gnuni
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- Mocius, Cistern of
- Modestus, Patriarch of Jerusalem
- Moesia
- Moglena
- Moira (military)
- Mokissos
- Momchil
- Monastery of Saint George, Skyros
- Monasticism
- Monaxius
- Mongols, Byzantine alliance with the
- Mongol invasion of the Latin Empire
- Monemvasia
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- Monoenergism
- Monomachos (Byzantine family)
- Monomachus Crown
- Monophysitism
- Monothelitism
- Monreale
- Mons Lactarius, Battle of
- Montemaggiore, Battle of
- Montepeloso, Battle of
- Monza ampullae
- Mopsuestia
- Morea
- Morea, Chronicle of the
- Morea, Despotate of the
- Morea revolt of 1453–1454
- Mosaic Fragment with Man Leading a Giraffe
- Mosaics
- Mosaics in the Middle East, Early Byzantine
- Moses the Black
- Mosynopolis
- Motella
- Mount Athos
- Moutalaske
- Mouzalon
- Mtskheta
- Muawiyah I
- Mu'awiya ibn Hisham
- Mucellium, Battle of
- Mufarrij ibn Daghfal ibn al-Jarrah
- Muflih (eunuch)
- Muflih al-Saji
- Muhammad ibn Marwan
- Muhammad ibn Shu'ayb al-Zarkun
- Muhammad ibn Tughj al-Ikhshid
- Mu'izz al-Dawla Thimal
- al-Mundhir III ibn al-Nu'man
- al-Mundhir III ibn al-Harith
- Mundus (magister militum)
- Mu'nis al-Muzaffar
- Muntaner, Chronicle of
- Muqallid ibn Kamil
- al-Muqtadir
- Murad I
- Murad II
- Music, Byzantine
- Musokios
- Mu'tah, Battle of
- Mutahharten
- al-Mu'tasim
- al-Mutawakkil
- Mutimir of Serbia
- Mutinensis gr. 122
- Mylasa and Melanoudion
- Myrelaion Monastery
- Myriokephalon, Battle of
- Mystikos
- Mystras
- Nabedes
- Nachoragan
- Naissus
- Naja al-Kasaki
- Nakip Mosque
- Nakoleia
- Naples
- Naples, Duchy of
- Naples, 536 Siege of
- Naples, 542–543 Siege of
- Narentines
- Narjot de Toucy (died 1241)
- Narses
- Narses (comes)
- Narses (magister militum per Orientem)
- Nasar
- Nasr al-Thamali
- Nativity, Church of the
- Naum of Ohrid
- Naupaktos
- Naupaktos, Metropolis of
- Nauplion
- Navarrese Company
- Navy, Byzantine
- Naxos
- Naxos, Duchy of
- Nea Ekklesia
- Nea Ekklesia of the Theotokos
- Nea Moni of Chios
- Near Eastern archaeology
- Neboulos
- Nectarius, Patriarch of Constantinople
- Negroponte, Triarchy of
- Neilos Doxapatres
- Neilos Kabasilas
- Nemanjić dynasty
- Neocaesarea
- Neokastra
- Neopatras
- Neopatras, Battle of
- Neopatria, Duchy of
- Neophytos, Basilica of St.
- Neophytus I, Patriarch of Constantinople
- Neoplatonism
- Neorion Harbour
- Neoterius
- Nephon I, Patriarch of Constantinople
- Nestorianism
- Nestor Iskander's Tale on the Taking of Tsargrad
- Nestorius
- New Rome
- Nicaea
- Nicaea, 1st Council of
- Nicaea, 2nd Council of
- Nicaea, Empire of
- Nicaea, Metropolis of
- Nicaea, 727 Siege of
- Nicaea, 1097 Siege of
- Nicaea, 1113 Siege of
- Nicaea, 1328–1331 Siege of
- Nicaean–Venetian treaty of 1219
- Niccolò Gattilusio, Lord of Ainos
- Nicene Creed
- Nicephorus I, Patriarch of Constantinople
- Nicephorus II, Patriarch of Constantinople
- Nicetas (cousin of Heraclius)
- Nicetas I, Patriarch of Constantinople
- Nicetas II Mountanes, Patriarch of Constantinople
- Nicetas of Heraclea
- Nicetas the Paphlagonian
- Nicetas the Patrician, Saint
- Nicholas I Mystikos, Patriarch of Constantinople
- Nicholas II Chrysoberges, Patriarch of Constantinople
- Nicholas II, Pope of Rome
- Nicholas III Grammatikos, Patriarch of Constantinople
- Nicholas III of Saint Omer
- Nicholas IV Mouzalon, Patriarch of Constantinople
- Nicholas Adontz
- Nicholas Eudaimonoioannes
- Nicholas Hagiotheodorites
- Nicholas Kabasilas
- Nicholas Kallikles
- Nicholas Kanabos
- Nicholas le Maure
- Nikephoros Loukanes
- Nicholas Maliasenos
- Nicholas Mesarites
- Nicholas of Methone
- Nicholas of Myra
- Nicholas of Stoudios
- Saint Nicholas of the Roof, Church of
- Saint Nicholas Orphanos, Church of
- Nicholas Orsini
- Nicholas Picingli
- Nicomedia
- Nicomedia, Metropolis of
- Nicomedia, Siege of
- Nicopolis
- Nicopolis (Pontus)
- Nicopolis (theme)
- Nicopolis ad Istrum
- Nicopolis ad Nestum
- Nicopolis earthquake, 499
- Nicopsis
- Nika riots
- Nikephorian dynasty
- Nikephoritzes
- Nikephoros I
- Nikephoros I Komnenos Doukas
- Nikephoros II Orsini
- Nikephoros II Phokas
- Nikephoros III Botaneiates
- Nikephoros (Caesar)
- Nikephoros (son of Artabasdos)
- Nikephoros Basilakes
- Nikephoros Bryennios (ethnarch)
- Nikephoros Bryennios the Elder
- Nikephoros Bryennios the Younger
- Nikephoros Choumnos
- Nikephoros Chrysoberges
- Nikephoros Diogenes
- Nikephoros Dokeianos
- Nikephoros Gregoras
- Nikephoros Kabasilas
- Nikephoros Kallistos Xanthopoulos
- Nikephoros Katakalon
- Nikephoros Komnenos
- Nikephoros Komnenos (brother of Alexios I)
- Nikephoros Lykaon
- Nikephoros Melissenos
- Nikephoros Ouranos
- Nikephoros Palaiologos
- Nikephoros Parsakoutenos
- Nikephoros Phokas the Elder
- Nikephoros Phokas Barytrachelos
- Nikephoros Proteuon
- Nikephoros Tarchaneiotes
- Nikephoros the Monk
- Nikephoros Xiphias
- Niketas (son of Artabasdos)
- Niketas (son of Ioube)
- Niketas Abalantes
- Niketas Chalkoutzes
- Niketas Choniates
- Niketas David Paphlagon
- Niketas Ooryphas
- Niketas Scholares
- Niketas the Persian
- Niketas Triphyllios
- Nikiou, Battle of
- Nikolaos Oikonomides
- Nikolaos Philanthropinos
- Nikon of the Black Mountain
- Nikon the Metanoeite
- Nilus Kerameus, Patriarch of Constantinople
- Nilus of Rossano
- Nina Garsoïan
- Nineveh, 627 Battle of
- Niphon Kausokalybites
- Nipsistiarios
- Nisibis
- Nisibis, 573 Siege of
- Nobilissimus
- Nomisma
- Nomophylax
- Nonnosus (historian)
- Normans
- Normans, Byzantine wars with the
- Norman conquest of southern Italy
- North Africa during Antiquity
- Nostra Segnora de Mesumundu
- Notarios
- Notitia Dignitatum
- Notitia Urbis Constantinopolitanae
- Noumeroi
- Novae
- Novel (Roman law)
- Novel, Byzantine
- Novellae Constitutiones
- Noviodunum
- Al-Nu'man VI ibn al-Mundhir
- Numayrid dynasty
- Nymphaeum, 1214 Treaty of
- Nymphaeum, 1261 Treaty of
- Nymphaion (Ionia)
- Nyssa (Cappadocia)
Obelerio degli Antenori- Obelisk of Theodosius
- Octoechos
Odalar Mosque- Odo IV, Duke of Burgundy
- Odoacer
- Odolgan
- Oecumenius
Ohrid
Oikeios- Oikonomos
- Olbia, Libya
- Old Church Slavonic
- Old Metropolis, Veroia
Oleg of Novgorod- Olena, Bishopric of
- Olga of Kiev
- Olivento, Battle of
- Olybrius (consul 491)
- Olympias (daughter of Robert Guiscard)
- Olympiodorus the Younger
- Olympius (exarch)
- Omophorion
- Omphalion
- Omurtag of Bulgaria
- Onegesius
- Onoguris, Siege of
- Onoulphus
- Opsikion
- Opsites of Lazica
- Optimatoi
- Orhan
- Orestes (prefect)
- Orestes, Patriarch of Jerusalem
- Origen
- Orion of Thebes
- Oros of Alexandria
- Orphanotrophos
- Orsini family
- Orso I Participazio
- Orso II Participazio
- Orso Ipato
- Oshin of Lampron
- Osman I
- Osroene
- Ostiarios
- Ostrogothic Kingdom
- Ostrogoths
- Otto I, Holy Roman Emperor
- Otto II, Holy Roman Emperor
- Otto III, Holy Roman Emperor
- Otto, Duke of Brunswick-Grubenhagen
- Ottoman Empire
- Ottoman Empire, Byzantine wars with the
- Ottoman Empire, Rise of the
- Ottoman Interregnum
- Oxford Dictionary of Byzantium
- Öz Beg Khan
- Paganino Doria
- Painted churches in Cyprus, List of
- Painted Churches in the Troödos Region
- Palace of the Porphyrogenitus
- Pala d'Oro
- Palaestina Prima
- Palaestina Salutaris
- Palaestina Secunda
- Palaiologos
- Palaiologos-Montferrat
- Palaiologan Renaissance
- Palamede Gattilusio
- Palamism
- Paleologo Zaccaria
- Palermo
- Palestine
- Palladius of Galatia
- Pammakaristos Church
- Pammegistoi Taxiarches church
- Pamphylia
- Pamprepius
- Panagia
- Panagia Apsinthiotissa
- Panagia Atheniotissa, Church of
- Panagia Chalkeon, Church of
- Panagia Episkopi
- Panagia Kapnikarea, Church of
- Panagia Kera, Church of
- Panagia Kontariotissa
- Panagia Limeniotissa, Basilica of
- Panagia Mavriotissa, Monastery of
- Panagia Molyvdoskepastos, Monastery of
- Panagia Olympiotissa Monastery
- Panagia Pantobasilissa church, Tirilye
- Panagia Protothronos, Church of
- Panagia Theoskepasti, Church of (Cyprus)
- Panagia Theoskepastos Monastery (Trebizond)
- Panagia tis Angeloktistis
- Panagia tou Araka
- Pandulf Ironhead
- Pandulf IV of Capua
- Pandulf V of Capua
- Panhypersebastos
- Pankaleia, Battle of
- Pannonia (Roman province)
- Panormus, Siege of
- Pantaleone Barbo
- Pantanassa (Athens), Church of the
- Pantanassa Monastery
- Panteleimon (Gorno Nerezi), Church of St.
- Panteleimon (Thessaloniki), Church of Saint
- Pantokrator Monastery
- Pantokratoros monastery
- Paolo Cesaretti
- Paolo Lucio Anafesto
- Paphlagonia
- Paphlagonia (theme)
- Paphlagonian expedition of the Rus'
- Papias (Byzantine office)
- Parabalani
- Paradynasteuon
- Parakoimomenos
- Paramonai
- Paraphylax
- Saint Paraskevi, Monastery of (Vikos)
- Parastaseis syntomoi chronikai
- Parathalassites
- Pardos
- Parecclesion
- Paregoritissa, Church of the
- Paris Psalter
- Paristrion
- Paroikoi
- Partitio terrarum imperii Romaniae
- Passavant, Barony of
- Pastophorion
- Patara (Lycia)
- Patmos
- Patras
- Patras, Barony of
- Patras, Latin Archbishopric of
- Patras (805 or 807), Siege of
- Patria of Constantinople
- Patriarch of Constantinople
- Patricia Clementina
- Patricius (consul 500)
- Patrikios
- Paul I, Bishop of Constantinople
- Paul I, Pope of Rome
- Paul II, Patriarch of Constantinople
- Paul II the Black of Alexandria
- Paul III, Patriarch of Constantinople
- Paul IV, Patriarch of Constantinople
- Paul of Alexandria, Patriarch
- Paul, Latin Patriarch of Constantinople
- Paul (father of Maurice)
- Paul (exarch)
- Paul Lemerle
- Paul of Aegina
- Paul of Xeropotamou
- Paul Magdalino
- Paul Palaiologos Tagaris
- Paul the Silentiary
- Paulicianism
- Paulus (consul 496)
- Paulus (consul 512)
- Pausicacus of Synada
- Pavle of Serbia
- Pechenegs
- Pecheneg Revolt
- Pedro de San Superano
- Pegae, Battle of
- Pegonites
- Pelagianism
- Pelagius I, Pope of Rome
- Pelagius II, Pope of Rome
- Pelagonia, Battle of
- Pelekanon, Battle of
- Pelekete monastery
- Peloponnese
- Peloponnese (theme)
- Peltast
- Pentapolis, Duchy of the
- Pentarchy
- Peranius
- Perbundos
- Perctarit
- Perenos
- Peribleptos Monastery, Mystras
- Pereyaslavets
- Pergamon
- Pergamon, Metropolis of
- Peritheorion
- Peritheorion, Battle of
- Perozes
- Perugia, Duchy of
- Petar of Serbia
- Peter, Patriarch of Constantinople
- Peter (usurper)
- Peter (curopalates)
- Peter I of Bulgaria
- Peter II of Bulgaria
- Peter II of Courtenay
- Peter III of Raqqa
- Peter IV, Coptic Patriarch of Alexandria
- Peter (stratopedarches)
- Peter Barsymes
- Peter Bua
- Peter Charanis
- Peter Delyan
- Peter Delyan, Uprising of
- Peter Megaw
- Peter of Apamea
- Peter of Diokleia
- Peter of Damascus
- Peter of Goulaion
- Peter the Hermit
- Peter the Patrician
- Peter the Patrician (9th century)
- Peter the Wonderworker
- Petra, Lazica
- Petra, 541 Siege of
- Petra, 549 Siege of
- Petra, 550–551 Siege of
- Petraki Monastery
- Petraliphas
- Petroe, Battle of
- Petronas (general)
- Petronas Kamateros
- Petrus Siculus
- Petzeas
- Phanagoria
- Pharas the Herulian
- Pharsalus, 1277 Battle of
- Phasis
- Phasis, Siege of
- Philadelphia
- Philadelphia, Fall of
- Philadelphia, Metropolis of
- Philadelphion
- Philagathus of Cerami
- Philanthropenos
- Philaretos Brachamios
- Phileremos, Icon of Our Lady of
- Philip of Swabia
- Philip of Courtenay
- Philip I, Prince of Taranto
- Philip I of Piedmont
- Philip II, Prince of Taranto
- Philip Monotropos
- Philippa of Armenia
- Philippi
- Philippi, Metropolis of
- Philippicus (comes excubitorum)
- Philippikos Bardanes
- Philippus, Flavius
- Philopatris
- Philosophy, Byzantine
- Philotheou monastery
- Philotheos I Kokkinos, Patriarch of Constantinople
- Phocas
- Phoenice (Roman province)
- Phokas (Byzantine family)
- Phosterius
- Photeinos (strategos)
- Photian schism
- Photice
- Photinus of Thessalonica
- Photios I the Great, Patriarch of Constantinople
- Photios (Emirate of Crete)
- Phoulkon
- Phoulloi
- Phrygia
- Phthiotic Thebes
- Pietro Angeli
- Pietro Loredan
- Pietro Paleologo Mastrogiovanni
- Pietro Polani
- Pietro Tradonico
- Pinkernes
- Placidia
- Placidia Palace
- Planudes, Anthology of
- Plato (exarch)
- Plato of Sakkoudion
- Plinta
- Pliska
- Pliska, Battle of
- Plotinopolis
- Poemen
- Poimanenon, Battle of
- Poliorcetica
- Polyeuctus, Patriarch of Constantinople
- St. Polyeuctus, Church of
- Polyphengos
- Pompeius
- Pontikokastro
- Pontus
- Pontus, Diocese of
- Population of the Byzantine Empire
- Porphyrios (whale)
- Porphyrius the Charioteer
- Porta Panagia
- Portrait of the Four Tetrarchs
- Pothos Argyros (11th century)
- Pothos Argyros (Domestic of the Schools)
- Poutza
- Praecepta Militaria
- Praejecta
- Praepositus sacri cubiculi
- Praeses
- Praetor
- Praetorian prefecture of the East
- Praulius of Jerusalem
- Preljub
- Presian I of Bulgaria
- Presian (son of Ivan Vladislav)
- Preslav
- Preslav Treasure
- Prespa (medieval town)
- Pribislav of Serbia
- Primicerius
- Prinitza, Battle of
- Prisca (empress)
- Priscian of Lydia
- Priscus
- Priscus (magister militum)
- Prison of Anemas
- Prisoner exchanges with the Arabs
- Problem of two emperors
- Probus (consul 502)
- Probus (consul 525)
- Prochoros Kydones
- Proclus, Archbishop of Constantinople
- Proclus Oneirocrites
- Procopius (usurper)
- Procopius (magister militum)
- Procopius Anthemius (emperor's son)
- Procopius of Caesarea
- Proedros
- Progonos Sgouros
- Prohor of Pčinja
- Prokathemenos
- Prokopia
- Promachos
- Pronoia
- Prophet Elijah (Thessaloniki), Church of
- Proskynesis
- Prosopographisches Lexikon der Palaiologenzeit
- Prosopography of the Byzantine World
- Prosopography of the Later Roman Empire
- Prosphorion Harbour
- Prostagma
- Protasekretis
- Prothesis (altar)
- Protoierakarios
- Protokynegos
- Protonotarios
- Protosebastohypertatos
- Protosebastos
- Protospatharios
- Protostates
- Protostrator
- Protovestiarios
- Protovestiarites
- Pseudo-Alexios II
- Pseudo-Joshua the Stylite
- Pseudo-Methodius, Apocalypse of
- Pseudo-Nonnus
- Pseudo-Simeon
- Psiloi
- Pteruges
- Ptolemais, Cyrenaica
- Pulcheria
- Pulcheria, Cistern of
- Pusaeus
- Pylai
- Pyrgion
- Pyrrhus, Patriarch of Constantinople
- Raban, Battle of
- Radelchis I of Benevento
- Radelchis II of Benevento
- Radoslav of Duklja
- Radu Cantacuzino
- Ragnaris
- Ragnvald Ingvarsson
- Ragusa
- Ragusa, 866–868 Siege of
- Raiktor
- Rainerio of Travale
- Rainulf Drengot
- Ralph-Johannes Lilie
- Raoul (Byzantine family)
- Rashid al-Dawla Mahmud
- Rashidun Caliphate
- Rashiq al-Nasimi
- Raška (region)
- Ravenna
- Ravenna, 729 Battle of
- Ravenna, Exarchate of
- Ravenna, 539–540 Siege of
- Raymond IV, Count of Toulouse
- Raymond-Joseph Loenertz
- Raymond of Poitiers
- Raynald of Châtillon
- Red Basilica
- Red Church (Bulgaria)
- Red Church (Vourgareli)
- Renaissance
- Renaissance, Greek scholars in the
- Rendakis
- Renier of Montferrat
- Renier of Trit
- Revue des études byzantines
- Rhahzadh
- Rhaiktor
- Rhapsomates
- Rhegion (Thrace)
- Rhetoric, Byzantine
- Rhetorius
- Rhodes
- Rhodes, Genoese occupation of
- Rhodes, Hospitaller conquest of
- Rhodes, Metropolis of
- Rhodian Sea Law
- Rhodope (Roman province)
- Rhodope Mountains
- Rhodopolis
- Rhynchinoi
- Rhyndacus, 1211 Battle of the
- Richard Orsini
- Richard I of England
- Ricimer
- Riniasa Castle
- Ripa Gothica
- Rishki Pass, Battle of the
- Rita of Armenia
- Riva Castle
- Robert III of Loritello
- Robert Browning (Byzantinist)
- Robert Crispin
- Robert Graves
- Robert Guiscard
- Robert of Ketton
- Robert of Courtenay
- Robert, Prince of Taranto
- Rodolphe Guilland
- Roger I of Sicily
- Roger II of Sicily
- Roger de Flor
- Rogoi
- Roman Empire
- Roman people
- Roman of Bulgaria
- Roman–Iranian relations
- Romana (Jordanes)
- Romanus (exarch)
- Romanos I Lekapenos
- Romanos II
- Romanos III Argyros
- Romanos IV Diogenes
- Romanos Argyros (10th century)
- Romanos Dalassenos
- Romanos Ivory
- Romanos Kourkouas
- Romanos the Melodist
- Romanus (exarch)
- Rome
- Rome, Duchy of
- Rome, 537–538 Siege of
- Rome, 546 Sack of
- Rome, 549–550 Siege of
- Rometta, Siege of
- Romilly James Heald Jenkins
- Romuald I of Benevento
- Romuald II of Benevento
- Romulus Augustulus
- Rosamund (wife of Alboin)
- Rossano Gospels
- Rothari
- Roussel de Bailleul
- Ruben I, Prince of Armenia
- Ruben II, Prince of Armenia
- Ruben III, Prince of Armenia
- Rubens vase
- Rufinus (consul)
- Rufinus (poet)
- Rufinus (relative of Theodosius II)
- Rûm
- Rum, Sultanate of
- Rumelia
- Rus' people
- Rus'–Byzantine Treaty (907)
- Rus'–Byzantine Treaty (911)
- Rus'–Byzantine Treaty (945)
- Rus'–Byzantine Wars
- Rus'–Byzantine War (941)
- Rus'–Byzantine War (1043)
- Rus' Khaganate
- Rusokastro, Battle of
- Rustam ibn Baradu
- Rusudan of Georgia, Empress of Trebizond
- Rynchines
- Sabas Asidenos
- Sabas of Stoudios
- Sabbas the Sanctified
- Sabinian, Pope of Rome
- Sabinianus (consul 505)
- Saborios
- Sacra Parallela
- Sacred Military Constantinian Order of Saint George
- Sa'd al-Dawla
- Safar, Treaty of
- Safwan ibn Muattal
- Sagudates
- Sahralanyozan
- Sa'id al-Dawla
- Sa'id ibn Abd al-Malik
- Sa'id ibn Hamdan
- Sa'id ibn Hisham
- Saint George, Battle of
- Saint George and the Princess
- Saints Theodore Tyro and Theodore Stratelates Church, Serres
- Sakellarios
- Saladin
- Salih ibn Ali
- Salih ibn Mirdas
- Salihids
- Salim ibn Asad ibn Abi Rashid
- Salona
- Salona, Lordship of
- Salutius
- Samaritan Revolts
- Samos (theme)
- Sampson the Hospitable
- Samuel of Bulgaria
- San Giovanni Theristis
- San Vittore alle Chiuse
- Sardinia, Byzantine
- Sardis
- Sardis, Byzantine churches at
- Sardis, See of
- Sarjun ibn Mansur
- Sarosius
- Sarukhan, Bey of Magnesia
- Sarus, Battle of
- Sasanian (589-591), civil war of
- Sasanian (628-632), civil war of
- Sasanian dynasty
- Sasanian Empire
- Sasanian Empire, Byzantine wars with the
- Sasanian Empire, military of the
- Sasireti, Battle of
- Satala, 530 Battle of
- Saviour, Church of the (Thessaloniki)
- Savoyard crusade
- Sayf al-Dawla
- Scardon, Battle of
- Scholae Palatinae
- Scholasticus
- Scholia Sinaitica
- Science, Byzantine
- Scipuar
- Sclaveni
- Sclaviniae
- Scottas
- Scriptor Incertus
- Scythia Minor
- Sea of Marmara earthquake, 542
- Seat of Mary, Church of the
- Sebasteia
- Sebasteia (theme)
- Sebastohypertatos
- Sebastokrator
- Sebastophoros
- Sebastopolis, Battle of
- Sebastos
- Sebukht
- Second Crusade
- Sekbanbaşı Mosque
- Seleucia
- Seleucia (theme)
- Selge
- Seljuk dynasty
- Seljuk Turks, Byzantine wars with the
- Sena Gallica, Battle of
- Senate, Byzantine
- Senekerim-Hovhannes Artsruni
- Sententiae Syriacae
- Septimius Acindynus
- Seraglio Octateuch
- Serbia, Byzantine
- Serbia, Byzantine wars with
- Serbia, 1090–1095 Byzantine war with
- Serbia, Early medieval principality of
- Serbia, Grand Principality of
- Serbia in the Middle Ages
- Serbia, Medieval Kingdom of
- Serbian Despotate
- Serbian Empire
- Serblias family
- Serbo-Byzantine architecture
- Sergius I, Pope of Rome
- Sergius-Tychicus
- Severinus, Pope of Rome
- Serdica, 809 Siege of
- Serena (wife of Stilicho)
- Sergey Karpov
- Sergios Niketiates
- Sergius I, Patriarch of Constantinople
- Sergius I, Pope of Rome
- Sergius I of Naples
- Sergius II, Patriarch of Constantinople
- Sergius II of Naples
- Sergius III of Naples
- Sergius IV of Naples
- Sergius (Byzantine general)
- Sergius of Reshaina
- Sergius of Tella
- Sergius of Valaam
- Sergius, Patrician of Lazica
- Serres, Battle of
- Setina, Battle of
- Settepozzi, Battle of
- Seventh Ecumenical Council
- Severianus of Damascus
- Severus of Antioch
- Şeyh Süleyman Mosque
- Sgouros Spata
- Shahin Vahmanzadegan
- Shahraplakan
- Shahrbaraz
- Shaizar, Siege of
- Shapur II
- Shapur III
- Shenoute
- Shibl al-Dawla Nasr
- Shirimni, Battle of
- Shirin
- Shivta
- Shu'ayb ibn Umar
- Sicard of Benevento
- Sicilian Vespers
- Sicily
- Sicily (theme)
- Sicily, County of
- Sicily, Emirate of
- Sicily, Kingdom of
- Sicily, Muslim conquest of
- Sico of Benevento
- Sico Protospatharios
- Siconulf of Salerno
- Siderokastron
- Siderokausia
- Sigillion
- Sigismund, Holy Roman Emperor
- Sigismund of Burgundy
- Sigizan
- Silk, Byzantine
- Silk Road
- Silver, Byzantine
- Saint Silvia
- Simeon I of Bulgaria
- Simeon Stylites the Younger
- Simeon Stylites, Church of St.
- Simeon Stylites the Younger, Monastery of St.
- Simeon Uroš
- Simmas
- Simonis Palaiologina
- Simon the Athonite
- Simone Vignoso
- Simonopetra monastery
- Simplicius of Cilicia
- Sinnion
- Sinope
- Sinope, Siege of
- Sino-Roman relations
- Sirianus
- Sirmium
- Sirmium, Battle of
- Sirmium, Councils of
- Sirmium, Siege of
- Sisauranon
- Sisauranon, Siege of
- Sisinnios Triphyllios
- Sisinnius, Pope of Rome
- Sisinnius I, Archbishop of Constantinople
- Sisinnius II, Patriarch of Constantinople
- Sittas
- Sixth Ecumenical Council
- Skafida, Battle of
- Skande
- Skeuophylax
- Skiathos Castle
- Skleros
- Skopje, Battle of
- Skorta
- Skouterios
- Slavery in the Byzantine Empire
- Slavic migrations to the Balkans
- Smaragdus
- Smbat IV Bagratuni
- Smilets of Bulgaria
- Smiltsena Palaiologina
- Smolyani
- Smyrna
- Smyrna, Metropolis of
- Solachon, Battle of
- Solomon (magister militum)
- Sophia (empress)
- Sophia Eudokia Laskarina
- Sophia of Montferrat
- Sophia Antoniadis
- Sophia Palaiologina
- Sophonias (commentator)
- Sophronius of Jerusalem
- Sopotos
- Soterichos Panteugenos
- Soterioupolis
- Sougdaia
- Soumela Monastery
- Sozopolis, Siege of
- Spania
- Sparta, History of
- Spatharokoubikoularios
- Spear of Destiny
- Spercheios, Battle of
- Speros Vryonis
- Sphrantzes Palaiologos
- Sporacius
- Sporoi
- Spyridon, Church of St., Rhodes
- Staurakios
- Staurakios (eunuch)
- Staurakios Platys
- Stauropolis
- Stauropolis (diocese)
- Stavraton
- Stavronikita monastery
- Stefan Lazarević
- Stefan Nemanja
- Stefan Nemanjić
- Stefan Vojislav
- Stelai, Battle of
- Stenimachos
- Stephanus of Athens
- Stephanus of Byzantium
- Stephen I, Patriarch of Constantinople
- Stephen II of Amasea, Patriarch of Constantinople
- Stephen II of Naples
- Stephen III, Pope of Rome
- Stephen III of Hungary
- Stephen III of Naples
- Stephen IV of Hungary
- Stephen (son of Kalomaria)
- Stephen Držislav of Croatia
- Stephen Dragutin of Serbia
- Stephen du Perche (died 1205)
- Stephen Gabrielopoulos
- Stephen Lekapenos
- Stephen of Alexandria
- Stephen of Ephesus
- Stephen Pateranos
- Stephen the Persian
- Stephen the Younger
- Stephen Uroš IV Dušan of Serbia
- Stephen Uroš V of Serbia
- Stephen Zaccaria
- Stjepan Praska
- Steven Runciman
- Stotzas
- Straits, Battle of the
- Stratarches
- Strategikon of Maurice
- Strategikon of Kekaumenos
- Strategios Podopagouros
- Strategius Apion
- Strategius Musonianus
- Strategos
- Strateia
- Stratelates
- Stratopedarches
- Strator
- Strez
- Strobilos
- Strumica, Battle of
- Strymon (theme)
- Strymonites
- Studies, Byzantine
- Stylianos of Paphlagonia
- Stylianos Zaoutzes
- Subdivisions of the Byzantine Empire
- Suda
- Sufetula, 546/7 Battle of
- Sufetula, 647 Battle of
- Suffragium
- Suintila
- Sulayman ibn Abd al-Malik
- Sulayman ibn Hisham
- Suleiman ibn Qutulmish
- Suleiman II (Rûm)
- Suleiman of Chalybia
- Sumbat I of Iberia
- Sunicas
- Surb Karapet Monastery earthquake, 602
- Sutton Hoo
- Sviatoslav I of Kiev
- Sviatoslav's invasion of Bulgaria
- Svindax, Battle of
- Sylloge Tacticorum
- Sylvester Syropoulos
- Symbatios the Armenian
- Symeon Logothete
- Symeon of Trier
- Symeon Stylites of Lesbos
- Symeon the New Theologian
- Symmachus, Pope of Rome
- Symponos
- Synadenos
- Synadene, Queen of Hungary
- Synaxarion of Constantinople
- Syncletica of Alexandria
- Synecdemus
- Synkellos
- Synodianos
- Synodicon Vetus
- Synods of Rome (731)
- Synopsis Chronike (Skoutariotes)
- Syntagma Canonum
- Synthronon
- Syracuse, Sicily
- Syracuse, 827–828 Siege of
- Syracuse, 868 Siege of
- Syracuse, 877–878 Siege of
- Syrgiannes Palaiologos
- Syria (Roman province)
- Syria Prima
- Syria, History of
- Syriac language
- Syro-Roman law book
- al-Tabari
- Tablion
- Tabor Light
- Tabula Peutingeriana
- Tactica of Emperor Leo VI the Wise
Tactica of Nikephoros Ouranos- Tagaris
- Taginae, Battle of
- Tagma (military)
- Tagmatarchis
- Taktikon Uspensky
- Tall el-Hammam
- Tamar of Georgia
- Tamatarcha
- Tamkhosrau
- Tancred, Prince of Galilee
- Tanukhids
- Taormina
- Taormina, 902 Siege of
- Taormina, 962 Siege of
- Taranto
- Tarasius, Patriarch of Constantinople
- Tarchaneiotes
- Taron (historic Armenia)
- Taronites
- Tarrach
- Tarsus
- Tatas tes aules
- Tatikios
- Tatzates
- Taurus (consul 428)
- Taurus Mountains
- Taxiarch
- Tayk
- Tedisio Zaccaria
- Teia
- Tekfur
- Tekfur ambarı
- Tekfur Saray
- Telephis–Ollaria, Battle of
- Telerig of Bulgaria
- Teluch
- Templon
- Teodato Ipato
- Tephrike
- Terbounia
- Terentius (comes et dux Armeniae)
- Tervel of Bulgaria
- Tetarteron
- Tetraconch
- Tetrapylon
- Tetrarchy
- Text-type, Byzantine
- Thabit ibn Nasr
- Thamal al-Dulafi
- Thamar Angelina Komnene
- Thannouris
- Thannuris, Battle of
- Thasos
- Thasos, Battle of
- Thebaid
- Thebes, Greece
- Thebes, Metropolis of
- St. Thekla Church, Seleucia
- Thekla, wife of Michael II
- Thekla, daughter of Theophilos
- Thema
- Themistius
- Theocritus (comes domesticorum)
- Theoctistus of Naples
- Theodahad
- Theodora (wife of Justinian I)
- Theodora III Porphyrogenita
- Theodora, wife of Romanos I
- Theodora (wife of Theophilos)
- Theodora, daughter of Constantine VII
- Theodora Angelina, Duchess of Austria
- Theodora Axouchina
- Theodora of Trebizond
- Theodora Kantakouzene
- Theodora Kantakouzene, wife of Alexios IV of Trebizond
- Theodora Kantakouzene, wife of Orhan
- Theodora Komnene, Duchess of Austria
- Theodora Komnene, Princess of Antioch
- Theodora Komnene, Queen of Jerusalem
- Theodora Komnene (daughter of Alexios I)
- Theodora of Alexandria
- Theodora of Arta
- Theodora of Khazaria
- Theodora of Thessaloniki
- Theodora Palaiologina (Byzantine empress)
- Theodora Palaiologina, Empress of Bulgaria
- Theodora Palaiologina Synadene
- Theodora Raoulaina
- Theodora Tocco
- Theodore (brother of Heraclius)
- Theodore I Calliopas
- Theodore I Laskaris
- Theodore I of Naples
- Theodore I Palaiologos
- Theodore I, Marquess of Montferrat
- Theodore I, Patriarch of Constantinople
- Theodore I, Pope of Rome
- Theodore II (exarch)
- Theodore II Laskaris
- Theodore II Palaiologos
- Theodore II Eirenikos, Patriarch of Constantinople
- Theodore Aaronios
- Theodore Abu-Qurrah
- Theodore Alyates
- Theodore Angelos
- Theodore Balsamon
- Theodore Branas
- Theodore Daphnopates
- Theodore Gabras
- Theodore Hyrtakenos
- Theodore Kantakouzenos
- Theodore Kastamonites
Theodore Komnenos Doukas- Theodore Mangaphas
- Theodore Meliteniotes
- Theodore Metochites
Theodore Mouzalon- Theodore of Dekapolis
- Theodore of Mopsuestia
- Theodore of Raithu
- Theodore of Sykeon
- Theodore Palaiologos (16th century)
- Theodore Palaiologos (son of Michael VIII)
- Theodore Parsakoutenos
- Theodore Philes
- Theodore Pileles Doranites
- Theodore Prodromos
- Theodore Rshtuni
- Theodore Synkellos
- Theodore the Studite
- Theodore Styppeiotes
- Theodore Svetoslav of Bulgaria
- Theodore Synadenos
- Theodore of Dobruja
- Theodore of Tarsus
- Theodore Trithyrius
- Theodore Vatatzes
- Theodorias (province)
- Theodoric Strabo
- Theodoric the Great
- Theodorokanos
- Theodorus and Theophanes
- Theodorus Lector
- Theodosia, wife of Leo V
- Theodosian dynasty
- Theodosian Walls
- Theodosiopolis (Armenia)
- Theodosios Monomachos
- Theodosius I
- Theodosius I Borradiotes, Patriarch of Constantinople
- Theodosius I, Coptic Patriarch of Alexandria
- Theodosius II
- Theodosius III
- Theodosius III of Abkhazia
- Theodosius (son of Maurice)
- Theodosius the Cenobiarch
- Theodosius Cistern
- Theodosius the Deacon
- Theodosius the Elder
- Theodosius, Forum of
- Theodote
- Theodotos Kalothetos
- Theodotus I Kassiteras, Patriarch of Constantinople
- Theodotus II, Patriarch of Constantinople
- Theodoulos Parsakoutenos
- Theodulf of Orléans
- Theoktiste
- Theoktiste (740–802)
- Theoktiste of Lesbos
- Theoktistos
- Theoktistos (magistros)
- Theoktistos Bryennios
- Theoleptos of Philadelphia
- Theopaschites
- Theophanes (chamberlain)
- Theophanes Continuatus
- Theophanes Nonnus
- Theophanes of Byzantium
- Theophanes the Branded
- Theophanes the Confessor
- Theophanes the Greek
- Theophano, wife of Staurakios
- Theophano, wife of Leo VI
- Theophano (born Anastaso)
- Theophanu
- Theophilos (emperor)
- Theophilos Erotikos
- Theophilos Erotikos (10th century)
- Theophilos Kourkouas
- Theophilos Palaiologos
- Theophilus of Adana
- Theophilus Antecessor
- Theophilus Protospatharius
- Theophobos
- Theophylact (son of Michael I)
- Theophylact Botaneiates
- Theophylact Dalassenos
- Theophylact Rhangabe
- Theophylact of Nicomedia
- Theophylact Simocatta
- Theophylact Lekapenos, Patriarch of Constantinople
- Theophylactus (exarch)
- Theotokos
- Theotokos Euergetis Monastery
- Theotokos Kosmosoteira
- Thermantia
- Thessalonica
- Thessalonica (theme)
- Thessalonica, King of
- Thessalonica, Kingdom of
- Thessalonica, 617 Siege of
- Thessalonica, 676–678 Siege of
- Thessalonica, 904 Sack of
- Thessalonica, 995 Battle of
- Thessalonica, 1004 Battle of
- Thessalonica, 1014 Battle of
- Thessalonica, 1040 Battle of
- Thessalonica, 2nd 1040 Battle of
- Thessalonica, Empire of
- Thessalonica, 1185 Sack of
- Thessalonica, 1422–1430 Siege of
- Thessalonica, Walls of
- Thessaly
- Thessaly, History of
- Theudebert I
- Third Crusade
- Thomais of Lesbos
- Thomais Orsini
- Thomas I, Patriarch of Constantinople
- Thomas I Komnenos Doukas
- Thomas II, Patriarch of Constantinople
- Thomas II Preljubović
- Thomas Asen Palaiologos
- Thomas Kantakouzenos
- Thomas Morosini
- Thomas Palaiologos
- Thomas the Slav
- Thoros of Edessa
- Thoros I, Prince of Armenia
- Thoros II, Prince of Armenia
- Thracia (Roman province)
- Thracian Goths
- Thracian religion
- Thrace
- Thrace (theme)
- Thrace, Diocese of
- Thracesian Theme
- Thracians
- Thrasamund
- Thrasimund II of Spoleto
- Three-Chapter Controversy
- Three Treatises on Imperial Military Expeditions
- Throne of Maximian
- Thumama ibn al-Walid
- Thurisind
- Thyatira
- Tiberias
- Tiberiopolis
- Tiberius II Constantine
- Tiberius III
- Tiberius (son of Constans II)
Tiberius (son of Justinian II)- Tiberius (son of Maurice)
- Tiberius Petasius
- Tihomir (Bulgarian noble)
- Tihomir of Serbia
- Timarion
- Time, Byzantine
- Timothy I, Patriarch of Constantinople
- Timothy III (IV), Coptic Patriarch of Alexandria
- Timothy of Constantinople
- Timur
- Titiopolis
- Tocco family
- Tocco, Chronicle of the
- Toklu Dede Mosque
- Tomb of Jesus
- Tomislav of Croatia
- Tondrakites
- Toparches
- Topoteretes
- Tornike Eristavi
- Tornikios family
- Totila
- Toupha
- Tourkia, Metropolitanate of
- Tourkopouloi
- Tourma
- Trachy (currency)
- Trajanopolis
- Trajan's Gate, Battle of
- Tralleis
- Transfiguration Monastery, Kinaliada
- Trapezuntine Civil War
- Trasilla and Emiliana
- Trebizond
- Trebizond, Empire of
- Trebizond, 1205–1206 Siege of
- Trebizond, 1222–1223 Siege of
- Trebizond, 1282 Siege of
- Trebizond, 1282 Byzantine Treaty with
- Trebizond, 1461 Siege of
- Trebizond Gospel
- Tremissis
- Triarius
- Tribigild
- Tribonian
- Tricamarum, Battle of
- Trikala Castle
- Triptych
- Trisagion
- Triumph of Orthodoxy
- Triumph of Orthodoxy, Icon of the
- Trocundes, Flavius Appalius Illus
- Troia, Apulia
- Troyes Casket
- True Cross
- Tryavna, Battle of
- Tryphon, Patriarch of Constantinople
- Tsargrad
- Tsebelda fortress
- Tughj ibn Juff
- Tulunids
- Tur Abdin
- Turahan Bey
- Turahanoğlu Ömer Bey
- Turgun
- Turkey
- Turkic peoples
- Tuttul
- Twenty Years' Anarchy
- Tyana
- Tyana, Siege of
- Tymandus
- Typikon
- Tyrach
- Tyre, 996–998 Revolt of
- Tzachas
- Tzangion
- Tzanichites
- Tzaousios
- Tzath II of Lazica
- Tzazo
- Tzepaina
- Tzitzak
- Tzykanisterion
- Tzympe
- Ubayd Allah ibn Marwan
- Üçayak Byzantine Church
- Ujayf ibn Anbasa
- Uldach
- Ulfilas
- Umar
- Umar II
- Umar al-Aqta
- Umayr ibn al-Hubab al-Sulami
- Umar ibn Hubayra
- Umar ibn al-Walid
- Umayyad Caliphate
- Umm el-Jimal
- Umur Beg
- Units of measurement, Byzantine
- University, Byzantine
- University of Constantinople
- Unknown Archont
- Upper Zohar
- Uqba ibn Nafi
- Urbicius (eunuch)
- Urbinus, Siege of
- Uroš I, Grand Prince of Serbia
- Uroš II, Grand Prince of Serbia
- Ursicinus (magister equitum)
- Ursus (praefectus urbi)
- Ursus of Benevento
- Urviventus, Siege of
- Usdibad
- Uthman ibn Affan
- Utigurs
- Utus, Battle of the
- Vagenetia
- Vahan (Byzantine commander)
- Vahram Pahlavouni
- Vakhtang I of Iberia
- Valaris
- Valens
- Aqueduct of Valens
- Valentinianic dynasty
- Valentinian I
- Valentinian II
- Valentinian III
- Valentinus (usurper)
- Valeria Maximilla
- Valoi, House of
- Valona, Principality of
- Vandal Sardinia
- Vandalic War
- Vandals
- Varangian Guard
- Varangians
- Varaztirots II Bagratuni
- Vardan II
- Vatatzes
- Vasilissa ergo gaude
- Vatopedi monastery
- Vazelon Monastery
- Vefa Kilise Mosque
- Velestino
- Veligosti, Barony of
- Venance Grumel
- Vendemianus of Bithynia
- Venetikà
- Venice
- Venice, Maritime
- Venice, Republic of
- Venice, 1082 Byzantine treaty with
- Venice, 1171–1172 Byzantine war with
- Venice, 1219 Nicaean treaty with
- Venice, 1268 Byzantine treaty with
- Venice, 1277 Byzantine treaty with
- Venice, 1296–1302 Byzantine war with
- Vera von Falkenhausen
- Verina
- Verinopolis
- Veroli Casket
- Verona, Siege of
- Versinikia, Battle of
- Vesaina
- Vescera, Battle of
- Vestarches
- Vestes
- Vestiarion
- Vestiaritai
- Vestitor
- Vetranio
- Vettius Agorius Basilius Mavortius
- Victor of Tunnuna
- Vigilantia
- Viking
- Vir gloriosus
- Virgin of the Pharos, Church of
- Virgin's veil
- Višeslav of Serbia
- Visigoths
- Vistahm
Vitalian (consul)- Vitalian, Pope of Rome
- Vitalien Laurent
- Vitiges
- Vivianus, Flavius Antoninus Messala
- Vladimir I of Kiev
- Vladislaus II, Duke of Bohemia
- Vladimir II of Duklja
- Vlastimir
- Vlatades Monastery
- Vodena
- Vojihna
- Vojislav of Duklja
- Volturnus, 554 Battle of
- Vostitsa, Barony of
- Vranas
- Vukan, Grand Prince of Serbia
- Vukašin Mrnjavčević
- Al-Walid I
- Al-Walid II
- Al-Walid ibn Hisham al-Mu'ayti
- Wallachia
- Walled Obelisk
- Walls of Constantinople
- Walter Kaegi
- Warren Treadgold
- Al-Wathiq
- Weh Antiok Khosrow
- Wernher Triptych
- Western Roman Empire
- William Grassus
- William II of Sicily
- William II of Villehardouin
- William of Champlitte
- William Miller (historian)
- Wolfgang Müller-Wiener
- Women in the Byzantine Empire
- Worcester Hunt Mosaic
- Worms, 868 Synod of
- Yahya of Antioch
- Yanıkhan
- Yanis Kordatos
- Ya'qub ibn Ishaq al-Tamimi
- Yaqub Spata
- Yarmouk, Battle of
- Yaroslav I the Wise
- Yazaman al-Khadim
- Yazdegerd I
- Yazdegerd II
- Yazdegerd III
- Yazid I
- Yazid II
- Yazid ibn Abi Kabsha al-Saksaki
- Yazid ibn Asid ibn Zafir al-Sulami
- Yeni Cuma Mosque
- Yolanda of Flanders
- Yusuf ibn Umar ibn Shu'ayb
- Zabergan
Zaccaria- Zacharias Rhetor
- Zachary, Pope of Rome
- Zachlumia
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- Al-Zahir li-i'zaz Din Allah
- Zakynthos
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- Zenobia
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- Zenopolis, Lycia or Pamphylia
- Zenopolis, Phoenicia
- Zeon (liturgy)
- Zerzevan Castle
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- Zetounion
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- Zeugaratos
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- Zeyrek Mosque
- Zichia
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- Zograf Monastery
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- Zoodochos Pigi Church, Dervenosalesi
- Zosimas of Palestine
- Zosimus
- Zoste patrikia
- Zuhayr ibn Qays
- Zvečan, Battle of
- Zygos Pass, Battle of
- Zygostates (Byzantine official)
Archbishops of the Archbishopric of Ohrid- Bulgarian monarchs
- Byzantine emperors
- Byzantine emperors of Armenian origin
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- Sieges of Constantinople
- States during Late Antiquity
- Urban prefects of Constantinople
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