June 15 – Mozart's Requiem is performed at a memorial service for Joseph Haydn at the Schottenkirche, Vienna.
Ludwig van Beethoven
Piano Concerto No. 5, Op. 73 (completed 1810)
"Harp" Quartet in E-flat Major, Op. 74
6 Gesänge, Op. 75
Six variations on an original theme (the Turkish March from The Ruins of Athens) in D major, Op. 76
Fantasia in G minor, Op. 77
Piano Sonata No. 24 in F-sharp major, Op. 78
Piano Sonata No. 25 in G major, Op. 79
Four Ariettas and a Duet, Op. 82
François-Joseph Gossec – Symphonie à 17 parties
Ferdinand Ries
Piano Quartet in F minor, op. 13
Symphony No. 1 in D-major, op. 23
Clarinet Trio in B flat major, op. 28
Gaspare Spontini – Fernand Cortez
January 20 – Sebastián Iradier, composer (died 1865)
February 3 – Felix Mendelssohn, composer (died 1847)
March 19 – Fredrik Pacius, conductor and composer (died 1891)
March 31 – Otto Lindblad, composer (died 1864)
April 13 – Aleksander Mirecki, violinist (died 1882)
October 12 – John Liptrot Hatton, composer, conductor, pianist and singer (died 1886)
October 22 – Federico Ricci, opera composer (died 1877)
November 16 – Leopoldine Blahetka, pianist and composer (died 1885)
January 29 – Luigi Antonio Sabbatini, composer and music theorist (born 1732)
February – Francesco Azopardi, composer (born 1748)
March 7 – Johann Georg Albrechtsberger, organist, composer and music teacher (born 1736)
April 17 – Johann Christian Kittel, organist and composer (born 1732)
May 31 – Joseph Haydn, composer (born 1732)
July 2 or (3) – Joseph Quesnel, composer and writer (born 1746)
July 24 – Johann Gottfried Eckard, pianist and composer (born 1735)
September 21 – Alexander Reinagle, composer, organist, and theater musician (born 1736)
December 31 – Franz Ignaz Beck, composer (born 1734)
1809 in music Wikipedia (Text) CC BY-SA
