Ambrosius or Ambrosios (a Latin adjective derived from the Ancient Greek word ἀμβρόσιος, ambrosios "divine, immortal") may refer to:

Given name:

• Ambrosius Alexandrinus, a Latinization of the name of Ambrose of Alexandria (before 212–c. 250), Egyptian theologian and saint
• Saint Ambrose (Aurelius Ambrosius) (c. 340–397), bishop of Milan
• Ambrosius Aurelianus, fifth-century war leader of the Romano-British
• Ambrosius of Georgia (1861–1927), Catholicos Patriarch of All Georgia
• Ambrosius of Optino
• Ambrosius, Metropolitan of Helsinki
• Ambrosius, Metropolitan of Moscow
• Ambrosius (Hussite), priest, leader of Hussite peasants
• Ambrosius Beber (fl. 1610–1620), German composer
• Ambrosius Benson (c. 1495/1500 – 1550), Italian painter
• Ambrosius Blarer (1492–1564), Swiss reformer
• Ambrosius Bosschaert (1573–1621), Dutch painter
• Ambrosius Bosschaert II (1609–1645), Dutch painter, son of the above
• Ambrosius Bogbinder, mayor of Copenhagen (1529–36)
• Ambrosius Brueghel (1617–1675), Flemish Baroque painter
• Ambrosius Ehinger (c. 1500 – 1533), German conquistador
• Ambrosius Gudko (1867–1918), Russian Orthodox saint and bishop
• Ambrosius Francken I (1544–1618), Flemish Baroque painter
• Ambrosius Francken II (1590–1632), Flemish painter, nephew of the above
• Ambrosius Frobenius (1537–1602), Swiss printer and publisher
• Ambrosius Haingura (1957–2000), Namibian activist and politician
• Ambrosius Holbein (c. 1494 – c. 1519), German and Swiss painter, drawer and printmaker, elder brother of Hans Holbein the Younger
• Ambrosius Hubrecht (1853–1915), Dutch zoologist
• Ambrosius Lobwasser (1515–1585), German humanist and translator
• Macrobius (fl. 5th century), Roman grammarian and philosopher (Ambrosius Theodosius Macrobius in later manuscripts)
• Ambrosius Moibanus (1494–1554), German Lutheran theologian and reformer
• Ambrosius Pelargus (c. 1493 – 1561), German anti-reformer Dominican theologian
• Ambrosius Petruzzy (died 1652), Italian sculptor
• Ambrosios Pleianthidis, Greek Orthodox metropolitan bishop
• Ambrosius Stub (1705–1758), Danish poet

Surname:

• Johanna Ambrosius (1854–1939), German poet
• Marsha Ambrosius (born 1977), English singer-songwriter

Fictional characters:

• Merlin, in Arthurian legend, named Merlin Ambrosius in Godfrey of Monmouth's Historia Regum Britanniae
• Ambrosius, a character in the film Labyrinth

• Ambroise (name)
• Ambrose (given name)
• Ambrose (surname)

This page or section lists people that share the same given name or the same family name.
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