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.

William Byron Lee is an American businessman and politician who has served since 2019 as the 50th governor of Tennessee. A member of the Republican Party, Lee was president and chief executive officer (CEO) of the Lee Company, a business operated by his family, from 1992 to 2016.