| Election Name: | 1858 Maine gubernatorial election |
| Country: | Maine |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1857 Maine gubernatorial election |
| Previous Year: | 1857 |
| Next Election: | 1859 Maine gubernatorial election |
| Next Year: | 1859 |
| Election Date: | 13 September 1858 |
| Nominee1: | Lot M. Morrill |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 60,736 |
| Percentage1: | 53.48% |
| Nominee2: | Manassah H. Smith |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 52,750 |
| Percentage2: | 46.45% |
| Governor | |
| Before Election: | Lot M. Morrill |
| Before Party: | Republican Party (United States) |
| After Election: | Lot M. Morrill |
| After Party: | Republican Party (United States) |
The 1858 Maine gubernatorial election was held on 13 September 1858 in order to elect the Governor of Maine. Incumbent Republican Governor Lot M. Morrill won re-election against Democratic nominee Manassah H. Smith in a rematch of the previous election.[1]
On election day, 13 September 1858, incumbent Republican Governor Lot M. Morrill won re-election by a margin of 7,986 votes against his opponent Democratic nominee Manassah H. Smith, thereby retaining Republican control over the office of governor. Morrill was sworn in for his second term on 6 January 1859.[2]