2012 | 2012 Summer Olympics | 2012 ATP Challenger Tour | County Durham | Orange County | County Cork | St. Louis County, Minnesota | County Galway | County Mayo | World Rally Championship | county | Montgomery County | Los Angeles County Museum of Art | Lancashire County Cricket Club | World Championship | NCAA Men's Division I Basketball Championship | Ultimate Fighting Championship | Westchester County, New York | Nassau County, New York | World Championship Wrestling | County Antrim | Rockland County, New York | 2012 ATP World Tour | County Down | United States elections, 2012 | Washington County | Hillsborough County | Derby County F.C. | County Meath | County Donegal |
Three major domestic competitions were contested: the 2012 County Championship won by Warwickshire, the 2012 Clydesdale Bank 40 and the 2012 Friends Life t20 both won by Hampshire Royals.