| Election Name: | 1805 Tennessee gubernatorial election |
| Type: | presidential |
| Election Date: | August 1–2, 1805[1] |
| Ongoing: | no |
| Previous Election: | 1803 Tennessee gubernatorial election |
| Previous Year: | 1803 |
| Next Election: | 1807 Tennessee gubernatorial election |
| Next Year: | 1807 |
| Image1: | John Sevier.jpg |
| Nominee1: | John Sevier |
| Party1: | Democratic-Republican Party |
| Popular Vote1: | 10,293 |
| Percentage1: | 63.74% |
| Nominee2: | Archibald Roane |
| Party2: | Democratic-Republican Party |
| Popular Vote2: | 5,855 |
| Percentage2: | 36.26% |
| Governor | |
| Before Election: | John Sevier |
| Before Party: | Democratic-Republican Party |
| After Election: | John Sevier |
| After Party: | Democratic-Republican Party |
| Colour2: | 8F257D |
The 1805 Tennessee gubernatorial election took place from August 1–2, 1805. Former governor Archibald Roane attempted to retake the governorship back but was defeated by incumbent governor John Sevier, who had taken 63.74% of the vote.