- Oct 1 Johnny Schmitz, American baseball pitcher (MLB All-Star 1946, 48; NL saves leader 1946), dies at 90
- Oct 1 Sven Tumba, Swedish ice hockey center, football winger, golfer, golf course designer, dies of a hip infection at 80
- Oct 5 Graham Dilley, English cricket fast bowler (41 Tests, 138 wickets; Kent CCC, Worcestershire CCC), dies from oesophageal cancer at 52
Al Davis (1929-2011)
Oct 8 American businessman and NFL executive (owner Oakland Raiders), dies of heart failure at 82
Dan Wheldon (1978-2011)
Oct 16 British race car driver (Indianapolis 500, 2005 & 2011), dies in multi car crash at IndyCar World Championship at Las Vegas, Nevada at 33
- Oct 18 Kent Hull, American football center (First-team All-Pro 1990, 91; Pro Bowl 1988, 89, 90; Buffalo Bills), dies from chronic liver disease at 50
- Oct 23 Marco Simoncelli, Italian motorcycle racer (250cc World Championship 2008), dies in a track accident at 24
- Oct 31 Flórián Albert, Hungarian footballer (European Footballer of the Year 1967), dies at 70
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions