| Election Name: | 1843 Maine gubernatorial election |
| Country: | Maine |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1842 Maine gubernatorial election |
| Previous Year: | 1842 |
| Next Election: | 1844 Maine gubernatorial election |
| Next Year: | 1844 |
| Election Date: | 11 September 1843 |
| Nominee1: | Hugh J. Anderson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 32,034 |
| Percentage1: | 50.25% |
| Nominee2: | Edward Robinson |
| Party2: | Whig Party (United States) |
| Popular Vote2: | 20,975 |
| Percentage2: | 32.90% |
| Nominee4: | James Appleton |
| Party4: | Liberty Party (United States, 1840) |
| Popular Vote4: | 6,746 |
| Percentage4: | 10.58% |
| Nominee5: | Edward Kavanagh |
| Party5: | Independent Democrat |
| Popular Vote5: | 3,221 |
| Percentage5: | 5.05% |
| Governor | |
| Before Election: | John W. Dana (Acting) |
| Before Party: | Democratic Party (United States) |
| After Election: | Hugh J. Anderson |
| After Party: | Democratic Party (United States) |
The 1843 Maine gubernatorial election was held on 11 September 1843 in order to elect the Governor of Maine. Democratic nominee and former member of the U.S. House of Representatives from Maine's 6th district Hugh J. Anderson defeated Whig nominee and former U.S. Representative from Maine's 3rd congressional district Edward Robinson, Liberty Party candidate and former member of the Maine House of Representatives James Appleton and incumbent Independent Democratic Governor Edward Kavanagh.[1]
On election day, 11 September 1843, Democratic nominee Hugh J. Anderson won the election by a margin of 11,059 votes against his foremost opponent Whig nominee Edward Robinson, thereby retaining Democratic control over the office of governor. Anderson was sworn in as the 20th Governor of Maine on 5 January 1844.[2]