The 2012 United States House of Representatives elections in Pennsylvania were held on Tuesday, November 6, 2012, to elect the 18 U.S. representatives from the state of Pennsylvania, a loss of one seat following the 2010 United States Census. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election and an election to the U.S. Senate. Primary elections were held Tuesday, April 24.