| Election Name: | 1845 Maine gubernatorial election |
| Country: | Maine |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1844 Maine gubernatorial election |
| Previous Year: | 1844 |
| Next Election: | 1846 Maine gubernatorial election |
| Next Year: | 1846 |
| Nominee1: | Hugh J. Anderson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 34,711 |
| Percentage1: | 51.50% |
| Nominee2: | Freeman H. Morse |
| Party2: | Whig Party (United States) |
| Popular Vote2: | 26,341 |
| Percentage2: | 39.08% |
| Nominee3: | Samuel Fessenden |
| Party3: | Liberty Party (United States, 1840) |
| Popular Vote3: | 5,867 |
| Percentage3: | 8.70% |
| Governor | |
| Before Election: | Hugh J. Anderson |
| Before Party: | Democratic Party (United States) |
| After Election: | Hugh J. Anderson |
| After Party: | Democratic Party (United States) |
The 1845 Maine gubernatorial election was held on September 8, 1845, in order to elect the governor of Maine. Incumbent Democratic governor Hugh J. Anderson won re-election against Whig nominee and former U.S. Representative from Maine's 4th congressional district Freeman H. Morse and Liberty Party candidate and former member of the Massachusetts State Senate Samuel Fessenden.[1]
On election day, September 8, 1845, incumbent Democratic governor Hugh J. Anderson won re-election by a margin of 8,370 votes against his foremost opponent Whig nominee Freeman H. Morse, thereby retaining Democratic control over the office of governor. Anderson was sworn in for his third term on January 5, 1846.[2]