| Election Name: | 1849 New Hampshire gubernatorial election |
| Country: | New Hampshire |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1848 New Hampshire gubernatorial election |
| Previous Year: | 1848 |
| Next Election: | 1850 New Hampshire gubernatorial election |
| Next Year: | 1850 |
| Election Date: | March 13, 1849 |
| Nominee1: | Samuel Dinsmoor Jr. |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 30,107 |
| Percentage1: | 53.73% |
| Nominee2: | Levi Chamberlain |
| Party2: | Whig Party (United States) |
| Popular Vote2: | 18,764 |
| Percentage2: | 33.49% |
| Nominee3: | Nathaniel S. Berry |
| Party3: | Free Soil Party |
| Popular Vote3: | 7,045 |
| Percentage3: | 12.57% |
| Map Size: | 245px |
| Governor | |
| Before Election: | Jared W. Williams |
| Before Party: | Democratic Party (United States) |
| After Election: | Samuel Dinsmoor Jr. |
| After Party: | Democratic Party (United States) |
The 1849 New Hampshire gubernatorial election was held on March 13, 1849.
Incumbent Democratic Governor Jared W. Williams did not stand for re-election.
Democratic nominee Samuel Dinsmoor Jr. defeated Whig nominee Levi Chamberlain and Free Soil nominee Nathaniel S. Berry with 53.73% of the vote.