The 2012 League of Ireland Cup, also known as the 2012 EA Sports Cup, is the 39th season of the Irish football knockout competition.
A total of 22 teams entered the 2012 competition. The 12 League of Ireland Premier Division and 8 League of Ireland First Division clubs were joined by Ulster Senior League champions Fanad United and the Mayo League representative side. For the First and Second Rounds of the competition, all participating clubs were split into 4 regional pools with the further rounds of the competition having an open draw. The 2012 competition commenced with the First Round on 26 March 2012.