| Election Name: | 1842 Maine gubernatorial election |
| Country: | Maine |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1841 Maine gubernatorial election |
| Previous Year: | 1841 |
| Next Election: | 1843 Maine gubernatorial election |
| Next Year: | 1843 |
| Election Date: | 12 September 1842 |
| Nominee1: | John Fairfield |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 40,855 |
| Percentage1: | 56.92% |
| Nominee2: | Edward Robinson |
| Party2: | Whig Party (United States) |
| Popular Vote2: | 26,745 |
| Percentage2: | 37.26% |
| Nominee3: | James Appleton |
| Party3: | Liberty Party (United States, 1840) |
| Popular Vote3: | 4,080 |
| Percentage3: | 5.68% |
| Governor | |
| Before Election: | John Fairfield |
| Before Party: | Democratic Party (United States) |
| After Election: | John Fairfield |
| After Party: | Democratic Party (United States) |
The 1842 Maine gubernatorial election was held on 12 September 1842 in order to elect the Governor of Maine. Incumbent Democratic Governor of Maine John Fairfield won re-election against Whig nominee and former U.S. Representative from Maine's 3rd congressional district Edward Robinson and Liberty Party candidate and former member of the Maine House of Representatives James Appleton.
On election day, 12 September 1842, Democratic nominee John Fairfield won re-election by a margin of 14,110 votes against his foremost opponent Whig nominee Edward Robinson, thereby retaining Democratic control over the office of Governor. Fairfield was sworn in for his second consecutive and fourth overall term on 5 January 1843.[1]