William Cameron Sproul was an American politician from Pennsylvania who served as a Republican member of the Pennsylvania State Senate from 1897 to 1919 and as the 27th governor of Pennsylvania from 1919 to 1923. He also served as chair of the National Governors Association from 1919 to 1922.

The National Governors Association (NGA) is an American political organization founded in 1908. The association's members are the governors of the 55 states, territories and commonwealths. Members come from across the political spectrum. NGA declares itself as nonpartisan.