- Dec 2 Edmond Rostand, French poet and dramatist (Cyrano de Bergerac), dies during the flu epidemic at 50
- Dec 2 Margit Kaffka, Hungarian writer, dies in the flu pandemic at 38
- Dec 11 Ivan Cankar, Slovene author, poet, novelist and playwright (Erotika, The Bailiff Yerney and His Rights), dies of pneumonia at 42, a complication of the Spanish flu
- Dec 14 Sidónio Pais, Portuguese politician (4th President of Portugal, 66th Prime Minister of Portugal), murdered at 46
- Dec 18 Henryk Jarecki, Polish composer, dies at 72
- Dec 22 Albijn van de Abeele, Flemish author and painter, dies at 83
- Dec 22 Randolph Bourne, American writer (Education and Living), dies at 32
- Dec 26 Bertram Luard-Selby, British organist and composer, dies at 65
- Dec 28 George H White, last post Reconstruction congressman (Penn), dies
- Dec 28 Olavo Bilac, Brazilian poet (b. 1865)
Assassination
Drug Overdose
Gunshot Wound
Murder
Plane Crash
Suicide