The regular season began on December 1, 2012 and will end on April 20, 2013, with the playoffs to follow until May.
The 2013 AIHL Elite playoffs of the American Inline Hockey League (AIHL) Elite Division began on April 6, 2013, after the conclusion of the 2012–13 regular season.
2013 ATP Challenger Tour | 2013 | 2013 ATP World Tour | 2013 Southeast Asian Games | 2013 ITF Women's Circuit | 2013 WTA Tour | 2013 Island Games | Eurovision Song Contest 2013 | 2013 Mediterranean Games | Big East Conference (1979–2013) | 2013 World Aquatics Championships | 2013–14 figure skating season | Miss Universe 2013 | Malaysian general election, 2013 | Australian federal election, 2013 | 2013–14 NCAA Division I men's basketball season | British Columbia general election, 2013 | 2013 NCAA Division I FBS football season | Elite Model Management | 2013 CFL season | 2013–14 Copa del Rey | UEFA Women's Euro 2013 | Elite Ice Hockey League | 2013 WTA 125K series | 2013 World Rally Championship-2 season | 2013 Pacific typhoon season | 2013 NFL Draft | 2013–14 UEFA Europa League group stage | 2013–14 Luge World Cup | (2013) |