| Election Name: | 1934 United States Senate election in Tennessee |
| Country: | Tennessee |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1928 United States Senate election in Tennessee |
| Previous Year: | 1928 |
| Next Election: | 1940 United States Senate election in Tennessee |
| Next Year: | 1940 |
| Election Date: | November 6, 1934 |
| Nominee1: | Kenneth McKellar |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 195,430 |
| Percentage1: | 63.40% |
| Nominee2: | Ben W. Hooper |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 110,401 |
| Percentage2: | 35.81% |
| Map Size: | 300px |
| U.S. senator | |
| Before Election: | Kenneth McKellar |
| Before Party: | Democratic Party (US) |
| After Election: | Kenneth McKellar |
| After Party: | Democratic Party (US) |
The 1934 United States Senate election in Tennessee was held on November 5, 1934. Incumbent Democratic Senator Kenneth D. McKellar was re-elected to a fourth term in office, defeating Republican former Governor Ben W. Hooper in a rematch from 1916.