| Election Name: | 1845 Tennessee gubernatorial election |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1843 Tennessee gubernatorial election |
| Previous Year: | 1843 |
| Next Election: | 1847 Tennessee gubernatorial election |
| Next Year: | 1847 |
| Election Date: | August 7, 1845 |
| Nominee1: | Aaron V. Brown |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 58,269 |
| Percentage1: | 50.71% |
| Nominee2: | Ephraim H. Foster |
| Party2: | Whig Party (United States) |
| Popular Vote2: | 56,646 |
| Percentage2: | 49.29% |
| Map Size: | 350px |
| Governor | |
| Before Election: | James C. Jones |
| Before Party: | Whig Party (United States) |
| After Election: | Aaron V. Brown |
| After Party: | Democratic Party (United States) |
The 1845 Tennessee gubernatorial election was held on August 7, 1845, to elect the Governor of Tennessee. Democratic nominee and former member of the U.S. House of Representatives from Tennessee's 6th district Aaron V. Brown defeated Whig nominee and former United States Senator from Tennessee Ephraim H. Foster.[1]
On election day, 7 August 1845, Democratic nominee Aaron V. Brown won the election by a margin of 1,623 votes against his opponent Whig nominee Ephraim H. Foster, thereby gaining Democratic control over the office of Governor. Brown was sworn in as the 11th Governor of Tennessee on 14 October 1845.[2]