1918 United States Senate election in Tennessee

The 1918 United States Senate election in Tennessee took place on November 5, 1918, concurrently with the United States Senate elections in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Democratic Senator John K. Shields won re-election to a second term, defeating Republican candidate Henry Clay Evans.

This was the second popular election for U.S. Senator held in Tennessee, following the ratification of the Seventeenth Amendment to the United States Constitution.