- Oct 10 Alex Karras, American NFL player, dies from kidney failure at 77
- Oct 11 John Junior "Champ" Summers, American MLB player, dies from kidney cancer at 66
- Oct 13 Helmut Haller, German soccer forward (33 caps West Germany; FC Augsburg, Bologna FC, Juventus), dies from Parkinson's disease and dementia at 73
- Oct 14 Kyle Bennett, American BMX racer, dies in a traffic collision at 33
- Oct 16 Eddie Yost, American MLB player, dies from cardiovascular disease at 86
- Oct 19 Fiorenzo Magni, Italian road cyclist (Giro d'Italia 1948, 51, 55; Tour of Flanders 1949, 50, 51), dies from an aneurysm at 91
- Oct 22 Wilson Whineray, New Zealand rugby union prop (32 Tests [30 as captain]; Auckland RFU), dies at 77
- Oct 24 Jeff Blatnick, American wrestler (Olympic gold 1984), dies at 55
- Oct 24 Margaret Osborne DuPont, American tennis player (6-time Grand Slam singles winner), dies at 94
- Oct 25 John Connelly, English footballer (20 English caps), dies from cancer at 74
- Oct 31 Konstantin Vyrupayev, Soviet wrestler (Greco-Roman Bantamweight Olympic Gold 1956), dies at 82
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions