Portal:Sports/Selected anniversaries/December
- December 7–8, 1963 – The inaugural World Rhythmic Gymnastics Championships is held in Budapest, Hungary
- December 12, 1959 – The first Southeast Asian Games (2011 opening ceremony pictured), a biennial multi-sport event for the countries in Southeast Asia, opens in Bangkok, Thailand
- December 12, 2010 – The inaugural Asian Para Games, the successor to the Far East and South Pacific Games for the Disabled, opens in Guangzhou, China
- December 13, 1993 – Major League Soccer, the highest level association football league in the United States and Canada, is founded
- December 21, 1904 – The governing body of motorcycle racing, Fédération Internationale de Motocyclisme, is founded in Paris, France