| Election Name: | 1942 Minnesota gubernatorial election |
| Country: | Minnesota |
| Flag Year: | 1893 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1940 Minnesota gubernatorial election |
| Previous Year: | 1940 |
| Next Election: | 1944 Minnesota gubernatorial election |
| Next Year: | 1944 |
| Election Date: | November 3, 1942 |
| Image1: | File:HaroldStassenOfficialOil.jpg |
| Nominee1: | Harold Stassen |
| Party1: | Republican Party of Minnesota |
| Popular Vote1: | 409,800 |
| Percentage1: | 51.60% |
| Nominee2: | Hjalmar Petersen |
| Party2: | Farmer–Labor Party |
| Popular Vote2: | 299,917 |
| Percentage2: | 37.76% |
| Image3: | File:John D. Sullivan.jpg |
| Nominee3: | John D. Sullivan |
| Party3: | Democratic Party (United States) |
| Popular Vote3: | 75,151 |
| Percentage3: | 9.46% |
| Map Size: | 250px |
| Governor | |
| Before Election: | Harold Stassen |
| Before Party: | Republican Party of Minnesota |
| After Election: | Harold Stassen |
| After Party: | Republican Party of Minnesota |
The 1942 Minnesota gubernatorial election took place on November 3, 1942. Republican Party of Minnesota candidate Harold Stassen defeated Farmer–Labor Party challenger Hjalmar Petersen. This was the last election in which the Democratic Party of Minnesota and the Farmer–Labor Party ran separate candidates; in 1944, both parties ran under the umbrella of the Minnesota Democratic–Farmer–Labor Party. Martin A. Nelson and John G. Alexander unsuccessfully ran for the Republican nomination.