- Oct 2 Jaroslav Doubrava, Czech composer, dies at 51
- Oct 6 Douglas Spencer, American actor (The Thing from Another World, This Island Earth, River of No Return), dies from diabetes at 50
- Oct 9 Howard Glenn, NY Titan, dies of injuries sustain in this day's game
- Oct 11 Richard Cromwell [LeRoy Melvin Radabaugh], American actor (Jezebel, Riot Squad), dies of cancer at 50
- Oct 12 Inejiro Asanuma, leader Japanese Socialist Party, murdered at 61
- Oct 14 Abram F. Joffe, Russian physicist (crystal), dies at 79
- Oct 15 Clara Kimball Young, American actress (Return of Chandu), dies of stroke at 70
- Oct 15 Henny Porten, silent screen actress (Mother Love), dies at 70
- Oct 15 Maude Eburne, actress (Ladies They Talk About, Guardsman), dies at 84
- Oct 19 Gunther AR Raphael, German composer (Busskantate), dies at 57
- Oct 22 Edgar Scauflaire, Belgian painter and decorator, dies at 67
- Oct 25 José Padilla, Spanish composer and pianist (La Violetera - City Lights, Ça c'est Paris - Moulin Rouge), dies at 71
- Oct 25 Henry George "Harry" Ferguson, Irish aviator, engineer and inventor (Modern tractor), dies at 75
- Oct 30 Alfred Hill, New Zealand Australian composer (Hinemoa), dies at 90
- Oct 31 H L Davis, American writer (Honey in the Horn, Pulitzer prize), dies at 64