- Oct 2 The International Olympic Committee votes to award Rio de Janeiro, Brazil rights to host the 2016 Summer Olympics and Paralympics
Senior Players Championship
Oct 4 Senior Players Championship Men's Golf, Baltimore CC: Jay Haas wins his third and final Champions Tour major title by 1 stroke from Tom Watson
- Oct 5 Australia wins cricket's Champions Trophy at Centurion Park in Gauteng, South Africa by 6 wickets (28 balls remaining) v New Zealand; chasing 200, Shane Watson is 105 not out in Australia's 206/4
- Oct 11 Presidents Cup Golf, Harding Park GC: US down International team, 19½–14½; their 2nd consecutive win by that score and 3rd straight overall
- Oct 18 British Mercedes driver Jenson Button finishes 5th in Brazilian Grand Prix at Autódromo José Carlos Pace to clinch his first F1 World Drivers Championship
- Oct 21 MLB National League Championship: Philadelphia Phillies beat Los Angeles Dodgers, 4 games to 1
- Oct 24 19th College Football Holy War: Notre Dame beats Boston College 20-16 in South Bend (Notre Dame's first win in the series in nine years)
- Oct 25 MLB American League Championship: New York Yankees beat Los Angeles Angels of Anaheim, 4 games to 2
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions