The 1972 United States Senate election in Tennessee took place on November 7, 1972, concurrently with the U.S. presidential election as well as other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Republican U.S. Senator Howard Baker won re-election to a second term, becoming the first Republican Senator in the state to ever do so.
9.1% of the voting age population participated in the Republican primary.
13.9% of the voting age population participated in the Democratic primary.