| Election Name: | 1972 United States Senate election in Tennessee |
| Country: | Tennessee |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1966 United States Senate election in Tennessee |
| Previous Year: | 1966 |
| Next Election: | 1978 United States Senate election in Tennessee |
| Next Year: | 1978 |
| Election Date: | November 7, 1972 |
| Image1: | Howard Baker photo.jpg |
| Nominee1: | Howard Baker |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 716,539 |
| Percentage1: | 61.55% |
| Nominee2: | Ray Blanton |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 440,599 |
| Percentage2: | 37.85% |
| Map Size: | 300px |
| Senator | |
| Before Election: | Howard Baker |
| Before Party: | Republican Party (United States) |
| After Election: | Howard Baker |
| After Party: | Republican Party (United States) |
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.