| Election Name: | 1805 Ohio gubernatorial election |
| Country: | Ohio |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1803 Ohio gubernatorial election |
| Previous Year: | 1803 |
| Next Election: | 1807 Ohio gubernatorial election |
| Next Year: | 1807 |
| Election Date: | 8 October 1805 |
| Nominee1: | Edward Tiffin |
| Party1: | Democratic-Republican Party |
| Popular Vote1: | 5,473 |
| Percentage1: | 96.70% |
| Nominee2: | Nathaniel Massie |
| Party2: | Democratic-Republican Party |
| Popular Vote2: | 168 |
| Percentage2: | 2.97% |
| Map Size: | 250px |
| Governor | |
| Before Election: | Edward Tiffin |
| Before Party: | Democratic-Republican Party |
| After Election: | Edward Tiffin |
| After Party: | Democratic-Republican Party |
The 1805 Ohio gubernatorial election was held on 8 October 1805, in order to elect the governor of Ohio. Incumbent Democratic-Republican governor Edward Tiffin won re-election against fellow Democratic-Republican candidate Nathaniel Massie and Federalist nominee Benjamin I. Gilman.[1]
On election day, 8 October 1805, incumbent Democratic-Republican governor Edward Tiffin won re-election by a margin of 5,305 votes against his foremost opponent fellow Democratic-Republican candidate Nathaniel Massie, thereby retaining Democratic-Republican control over the office of governor. Tiffin was sworn in for his second term on 2 December 1805.[2]