George Michael Leader (January 17, 1918 – May 9, 2013) was a Pennsylvania politician. He served as the 36th Governor of Pennsylvania from January 18, 1955 until January 20, 1959. He was a member of the Democratic Party, and a native of York County, Pennsylvania. He was the only person from that county ever to be elected governor of the state until the election of Tom Wolf in 2014.