- Oct 1 Donald Cook, American actor (Too Young To Go Steady), dies at 60
- Oct 2 Reggie Spooner, English cricket batsman (10 Tests; dual cricket/rugby union international), dies at 80
- Oct 4 Max Weber, Polish-Russian-American painter, dies at 80
- Oct 4 Benjamin (Fedchenkov), Bishop of the Russian Church and Orthodox missionary, dies at 81
- Oct 5 Don Barbour, American singer (The Four Freshmen), dies at 34
- Oct 11 Leonard "Chico" Marx, comedian (Marx Brothers), dies at 74
- Oct 12 Eugene Bullard, 1st African-American military pilot, flew for France in World War I as part of the French Foreign Legion, dies of stomach cancer at 66
- Oct 13 Maya Deren (born Eleanora Derenkowskaia) American filmmaker dies of a brain hemorrhage aged 44
- Oct 13 Zoltan Korda, Hungarian-British film director (Jungle Book, 4 Feathers), dies at 66
- Oct 14 Paul Ramadier, French politician (b. 1888)
- Oct 14 Harriet Shaw Weaver, English political activist (b. 1876)
- Oct 18 Tsuru Aoki, Japanese-born American actress (b. 1892)
- Oct 19 Benjamin Merkelbach, Dutch architect and city builder of Amsterdam, dies at 60
- Oct 19 John Axel Fernstrom, Swedish composer, dies at 63
- Oct 21 Nils Johan Einar Ferlin, Swedish poet (Barfotabarn), dies at 62
- Oct 25 Peter Jensen, co-inventor (loud speaker), dies at 75
- Oct 26 Edgar Mayne, Australian cricketer (4 Tests for Australia around WWI), dies at 79
- Oct 26 Milan Stojadinović, Serbian-Yugoslav political figure and 12th Prime Minister of Yugoslavia (1935-39), dies at 73
- Oct 30 Luigi Einaudi, economist/1st president Italy, dies