| Election Name: | 1940 Tennessee gubernatorial election |
| Country: | Tennessee |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1938 Tennessee gubernatorial election |
| Previous Year: | 1938 |
| Next Election: | 1942 Tennessee gubernatorial election |
| Next Year: | 1942 |
| Election Date: | November 5, 1940 |
| Nominee1: | Prentice Cooper |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 323,466 |
| Percentage1: | 72.09% |
| Nominee2: | C. Arthur Bruce |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 125,245 |
| Percentage2: | 27.91% |
| Map Size: | 300px |
| Governor | |
| Before Election: | Prentice Cooper |
| Before Party: | Democratic Party (United States) |
| After Election: | Prentice Cooper |
| After Party: | Democratic Party (United States) |
The 1940 Tennessee gubernatorial election was held on November 5, 1940. Incumbent Democratic Governor Prentice Cooper defeated Republican nominee C. Arthur Bruce with 72.1% of the vote.