This article is about music-related events in 1823.

• April 13 – According to his official biographer, Gustav Schilling, eleven-year-old Franz Liszt gives a concert after which he is personally congratulated by Ludwig van Beethoven;^[1] however, there is no record of Beethoven having attended the concert.
• May 8 - The most famous song of the nineteenth century Home, Sweet Home was sung for the first time in London. (melody by Englishman Sir Henry Bishop, lyrics by John Howard Payne.
• August 12 – Hector Berlioz writes to the journal Le Corsaire defending Gaspare Spontini's opera La vestale.^[2]
• Gioachino Rossini arrives in London and is presented to King George IV.
• The arpeggione is invented by Viennese guitar maker Johann Georg Staufer.
• Soprano Henriette Méric-Lalande catches the attention of the critic Castil-Blaze, who introduces her to the famous tenor Manuel García, thereby advancing her career.^[3]
• Franz Liszt is denied entry into the Paris Conservatory by the Director, Luigi Cherubini, who states that he cannot admit foreigners.

• Christian Frederik Barth – Oboe Concerto, Op.12
• Ludwig van Beethoven
  • Diabelli Variations, Op. 120
  • Missa Solemnis, Op. 123
• Vincenzo Bellini – Oboe Concerto in E-flat major
• Hector Berlioz – Amitié, reprends ton empire, H 10b
• Ferdinando Carulli – Duos Nocturnes, Op. 189
• Carl Czerny – Toccata, Op. 92
• Louis Ferdinand, Prince of Prussia – Rondo, Op. 13
• Mauro Giuliani – 6 Variations, Op. 112
• Mikhail Glinka – Andante Cantabile and Rondo
• Johann Nepomuk Hummel
  • Nocturne, theme et variations, Op. 99
  • Introduction, theme et variations, Op. 102
• Friedrich Wilhelm Kalkbrenner – Piano Concerto No. 1, Op. 61
• August Alexander Klengel – Piano Trio, Op. 36
• Ernst Krähmer – Variations brillantes, Op. 18
• Franz Krommer
  • Flute Quintet, Op. 101
  • Symphony No. 6 in D
• Friedrich Kuhlau
  • 3 Flute Quintets, Op. 51
  • 6 Sonatinas, Op. 55
• Giovanni Morandi – Raccolta di sonate per gli organi moderni No.4
• George Onslow
  • Piano Trio No. 7, Op. 20
  • Grand Sonata No. 2, Op. 22
  • String Quintets Nos.7-9, Opp. 23–25
• Ferdinand Ries
  • Symphony Nos. 4 and 5, Opp. 110 and 112
  • Introduction et rondeau sur une danse russe, Op. 113, No. 1
  • Piano Sonata, Op. 114
  • Cello Sonata No. 4 in G minor, Op. 125
• Christian Heinrich Rinck – 12 Adagios for Organ, Op. 57
• Bernhard Romberg – Cello Concerto No. 5, Op. 30
• Franz Schubert –
  • Die Schöne Müllerin
  • Drang in die Ferne, D. 770
  • Der Zwerg, D.771
  • Wehmut, D.772
  • Auf dem Wasser zu singen, D. 774
• Louis Spohr
  • Potpourri on Irish Themes, Op. 59
  • String Quartet No.18, Op. 61

• Gaetano Donizetti – Alfredo il grande
• Mary Fauche – The Shepherd King, Op.1^[4]
• Saverio Mercadante – Didone abbandonata
• Gioachino Rossini – Semiramide
• Franz Schubert
  • Fierrabras
  • Rosamunde
• Carl Maria von Weber – Euryanthe

• "Home! Sweet Home!" w. John Howard Payne m. Henry Bishop

• Alling Brown – The Gamut, or Scale of Music (New Haven: A. H. Maltby and Co.)
• Thomas Busby – A Musical Manual (London: Goulding & D'Almaine)
• Emanuel Aloys Förster – Anleitung zum General-Baß
• Philippe Marc Antoine Geslin – Exposition de la gamme (Paris)

• January 1 – Sándor Petőfi, lyricist (died 1849)
• January 3 – Jacques-Nicolas Lemmens, organist and composer (died 1881)
• January 5 – William Smith Rockstro, musicologist and musician (died 1895)
• January 21 – Alexandre Édouard Goria, pianist and composer (died 1860)
• January 27 – Édouard Lalo, composer (died 1892)
• June 2 – Carl Christian Møller, composer (died 1893)
• June 30 – Selmar Bagge, composer (died 1896)
• July 22 – Paulina Rivoli, operatic soprano (died 1881)
• August 3 – Francisco Ansenjo Barbieri, composer (died 1894)
• August 14 – Karel Miry, Belgian composer (died 1889)
• August 15 – Léon Gastinel, French composer (died 1906)
• August 16 – Adolphe Herman, composer (died 1903)
• August 17 – Theodor Julius Jaffé, opera singer and actor (died 1898)
• October 21 – Emilio Arrieta, composer (died 1894)
• October 28 – William Spark, musician (died 1897)
• November 4 – Karel Komzák I, composer and conductor (died 1893)
• November 26 – Thomas Tellefsen, pianist and composer (died 1874)
• December 1 – Ernest Reyer, opera composer and music critic (died 1909)
• December 10 – Theodor Kirchner, composer and musician (died 1903)
• December 11 – David Bennett, Canadian soldier and musician (died 1902)
• date unknown – John Diamond, dancer and minstrel (died 1857)

• February 16 – Johann Gottfried Schicht, conductor and composer (born 1753)
• March 1 – Pierre-Jean Garat, singer (born 1764)
• March 18 – Jean-Baptiste Breval, French cellist and composer (born 1753)
• April – Jacques Widerkehr, Alsatian composer (born 1759)
• April 15 – Louis Deland, actor, singer and dancer (born 1772)
• June 20 – Theodor von Schacht, German composer (born 1748)
• October 2 – Daniel Steibelt, German pianist and composer (born 1765)
• November 12 – Emanuel Aloys Förster, composer and music teacher (born 1748)
• date unknown – Federigo Fiorillo, composer and musician (born 1755)