- Jan 15 Johannes Herbst, German composer, dies at 76
- Jan 23 Robert Craufurd, British general, dies at 47
- Jan 24 Eligio Celestino, composer, dies at 72
- Feb 5 Franz Schneider, composer, dies at 74
- Feb 9 Franz Anton Hoffmeister, German music publisher and composer, dies at 57
- Feb 24 Hugo Kollataj, Polish teacher/minister, dies at 61
- Feb 24 Étienne-Louis Malus, French physicist (Polarization of light), dies at 36
- Mar 20 Jan Ladislav Dussek, Bohemian pianist/composer, dies at 52
- Apr 11 Gottlieb Schick, German painter (Opfer Noachs), dies at 35
George Clinton
Apr 20 George Clinton, American soldier and 4th Vice President (1805-12), dies at 73 and 1st Vice President to die in office
- Apr 23 Franz Sebastian Haindl, German composer and violinist, dies at 85
Spencer Perceval
May 11 Spencer Perceval, British statesman and Prime Minister (1809–1812), assassinated by John Bellingham at 49
- May 13 Johann Matthias Sperger, Austrian double bassist and composer, dies at 62
John Bellingham
May 18 John Bellingham, English merchant who assassinated British Prime Minister Spencer Perceval, executed by hanging at 42 or 43
- May 21 Joseph Wolfl, Austrian composer, dies at 38
- Jun 2 John W de Winter, Dutch vice-adm, dies at battle at Kamperduin at 51
- Jun 16 Franz Pforr, German painter and cartoonist (Lukasbund), dies at 23
- Jul 14 Christian G. Heyne, German scholar and archaeologist, dies at 82
- Jul 24 Joseph Schuster, composer, dies at 63
- Aug 1 Yakov Kulnev, Russian general (killed in battle) (b. 1763)
- Aug 12 Jean-Joseph Rodolphe, Alsatian composer, dies at 81
- Aug 19 Vincenzo Righini, Italian composer and singer, dies at 56
- Aug 21 Silverius Muller, Austrian composer, priest, and educator, dies at 67
- Sep 12 Pyotr I Bagration, Georgian/Russian ruler/general, dies in battle
- Sep 19 Mayer Amschel Rothschild, German Jewish banker and founder of the Rothschild banking dynasty, dies at 68
- Sep 21 Emmanuel Schikaneder, German performing arts impresario, dramatist, actor, singer, and librettist (Mozart's "Magic Flute"), dies at 61
- Oct 11 Jurriaan François de Friderici, Dutch governor-general of Suriname, dies at 60
Isaac Brock
Oct 13 Isaac Brock, English general (conquered Detroit), dies in battle at 43