William Edward Haslam is an American billionaire businessman and politician who served as the 49th governor of Tennessee from 2011 to 2019. A member of the Republican Party, Haslam previously served as the 67th mayor of Knoxville, Tennessee.

The governor of Tennessee is the head of government of the U.S. state of Tennessee and the commander-in-chief of the state's military forces. The governor is the only official in the Tennessee state government who is directly elected by the voters of the entire state.