Musicians Who Died in 1821
- Feb 8 Paul Anton Wineberger, German musician and composer, dies at 62
- Mar 23 Bernhard Anselm Weber, German pianist, conductor and composer, dies at 56
- Apr 9 Félix Máximo López, Spanish composer, dies at 78
- May 15 John Wall Calcott, English composer, dies at 54
- Jun 18 Charles Hague, English composer, dies at 52
- Jul 9 Tommaso Sogner, Italian composer, dies at 58
- Aug 6 Antonio Bartolomeo Bruni, Italian composer and conductor, dies at 64
- Aug 10 Salvatore Vigano, composer, dies at 52
- Aug 29 Horace Coignet, French violinist, singer and composer, dies at 86
- Oct 9 Georg Friederich Fuchs, German composer, dies at 68
- Nov 10 Andreas Romberg, German violinist and composer (Der Rabe), dies at 54
- Nov 26 Friedrich Heine, German composer, dies at 57
- Dec 20 Gian Francesco Fortunati, Italian opera composer and maestro di cappella of Parma, dies at 75
- Dec 30 Angelo Maria Benincori, Italian composer, dies at 42