- Dec 1 Alfred Thayer Mahan, American naval officer (Influence of Sea Power), dies at 74
- Dec 6 Eduard Jacobs, Dutch cabaret artist, dies at 47
- Dec 8 Maximilian von Spee, German naval officer (b. 1861)
- Dec 12 Watkins Lewis Africa American lynched in Shrevport, Louisiana
- Dec 14 Giovanni Sgambati, composer, dies at 73
- Dec 16 Ivan Zajc, Croatian composer and conductor, dies at 82
- Dec 19 Johann Friedrich von Schulte, German Catholic lawyer, dies at 87
- Dec 21 A O Jones, cricketer (12 Tests for England 1899-1909), dies
- Dec 27 Charles Martin Hall, American chemist and inventor, dies at 51