- Jan 18 Bohuslav Jeremiáš, Czech composer, dies at 58
- Jan 31 Daniël de Lange, Dutch composer, dies at 76
- Feb 7 Alexander Sergeyevich Taneyev, Russian composer, dies at 68
- Feb 15 Vernon Castle [Blyth] English-American vaudeville, stage, and screen ballroom dancer, and fighter pilot, dies in a plane crash at 30
- Feb 26 Pedro Miguel Marques y Garcia, Spanish violinist and composer, dies at 74
- Mar 1 Johan Gustaf Emil Sjogren, Swedish composer, dies at 64
- Mar 4 Eugène d'Harcourt, French composer and conductor, dies at 58
- Mar 13 Karel Stecker, Czech organist, pedagogue, and composer of organ and sacred music dies at 57
- Mar 15 Jose White Lafitte, Cuban-French violinist and composer, dies at 82
- Mar 15 Lili [Marie-Juliette Olga] Boulanger, French composer (first female winner of the Prix de Rome composition prize), dies at 24
- Mar 18 Willem Coenen, Dutch pianist and composer, dies at 81
- Mar 23 César Cortinas, Uruguayan composer, dies of tuberculosis at 27
- Mar 24 Théophile "Théo" Ysaÿe, Belgian composer and pianist, dies at 53
Claude Debussy (1862-1918)
Mar 25 French composer (Nocturnes, La Mer), dies of cancer at 55
- Mar 26 Caesar A. Cui, Lithuanian fort builder and composer, dies at 83
- Mar 28 Johann Christoph Lauterbach, German violinist and concert master, dies at 87
- Apr 1 Karl Valentin, Swedish composer, dies at 64
- May 18 Toivo Kuula, Finnish composer, dies after being shot in a quarrel at 34
- May 24 Evan Williams, American oratorio tenor, dies at 50
- Jun 1 Friedrich Richard Faltin, composer, dies at 83
- Jun 1 Jaroslav Novotny, Czech composer, dies at 32
- Jun 10 Arrigio Enrico Boito, composer, dies at 76
- Aug 8 Gertrude E. Durden Rush, American composer and playwright, dies at 38
- Aug 15 Heinrich Köselitz [Peter Gast], German composer, dies at 64
- Sep 18 Ernest Farrar, English composer and musician, dies fighting on the Western Front during WWI at 33
- Sep 19 Liza Lehmann, English composer, dies at 56
- Oct 7 Hubert Parry, English musicologist and composer (Jerusalem), dies at 70
- Oct 16 Felix Arndt, American organist, pianist, arranger, and composer ("Desecration Rag"; "Nola"), dies during the Spanish Flu pandemic at 29 [1]
- Oct 24 Alexander Charles Lecocq, composer, dies at 86
- Nov 15 Georges Antoine, Belgian composer, dies at 26
- Nov 28 Alexis Contant, Canadian pianist, organist and composer, dies at 60
- Dec 18 Henryk Jarecki, Polish composer, dies at 72
- Dec 26 Bertram Luard-Selby, British organist and composer, dies at 65