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.

The Government of Tennessee is organized under the provisions of the 1870 Constitution of Tennessee, first adopted in 1796. As set forth by the state constitution, administrative influence in Tennessee is divided among three branches of government: executive, legislative, and judicial.