| Election Name: | 1912 Maine gubernatorial election |
| Country: | Maine |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1910 Maine gubernatorial election |
| Previous Year: | 1910 |
| Next Election: | 1914 Maine gubernatorial election |
| Next Year: | 1914 |
| Election Date: | September 9, 1912 |
| Nominee1: | William T. Haines |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 70,931 |
| Percentage1: | 49.97% |
| Nominee2: | Frederick W. Plaisted |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 67,702 |
| Percentage2: | 47.70% |
| Map Size: | 300px |
| Governor | |
| Before Election: | Frederick W. Plaisted |
| Before Party: | Democratic Party (United States) |
| After Election: | William T. Haines |
| After Party: | Republican Party (United States) |
The 1912 Maine gubernatorial election took place on September 9, 1912.
Incumbent Democratic Governor Frederick W. Plaisted was defeated for re-election by Republican candidate William T. Haines.