| Election Name: | 1864 Indiana gubernatorial election |
| Country: | Indiana |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1860 Indiana gubernatorial election |
| Previous Year: | 1860 |
| Next Election: | 1868 Indiana gubernatorial election |
| Next Year: | 1868 |
| Election Date: | October 11, 1864 |
| Nominee1: | Oliver P. Morton |
| Party1: | National Union Party (United States) |
| Popular Vote1: | 152,275 |
| Percentage1: | 53.72% |
| Nominee2: | Joseph E. McDonald |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 131,200 |
| Percentage2: | 46.28% |
| Map Size: | 250px |
| Governor | |
| Before Party: | Republican Party (United States) |
| After Party: | Republican Party (United States) |
The 1864 Indiana gubernatorial election was held on October 11, 1864. Incumbent Republican Oliver P. Morton, running on the Union Party ticket, defeated Democratic nominee Joseph E. McDonald with 53.72% of the vote.