| Election Name: | 1942 New Hampshire gubernatorial election |
| Country: | New Hampshire |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1940 New Hampshire gubernatorial election |
| Previous Year: | 1940 |
| Next Election: | 1944 New Hampshire gubernatorial election |
| Next Year: | 1944 |
| Election Date: | November 3, 1942 |
| Nominee1: | Robert O. Blood |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 83,766 |
| Percentage1: | 52.18% |
| Nominee2: | William J. Neal |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 76,782 |
| Percentage2: | 47.83% |
| Map Size: | 245px |
| Governor | |
| Before Election: | Robert O. Blood |
| Before Party: | Republican Party (United States) |
| After Election: | Robert O. Blood |
| After Party: | Republican Party (United States) |
The 1942 New Hampshire gubernatorial election was held on November 3, 1942. Incumbent Republican Robert O. Blood defeated Democratic nominee William J. Neal with 52.18% of the vote.