| Election Name: | 1966 Minnesota gubernatorial election |
| Country: | Minnesota |
| Flag Year: | 1957 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1962 Minnesota gubernatorial election |
| Previous Year: | 1962 |
| Next Election: | 1970 Minnesota gubernatorial election |
| Next Year: | 1970 |
| Election Date: | November 8, 1966 |
| Image1: | File:Harold LeVander (cropped).jpg |
| Nominee1: | Harold LeVander |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 680,593 |
| Percentage1: | 52.55% |
| Nominee2: | Karl Rolvaag |
| Party2: | Minnesota Democratic–Farmer–Labor Party |
| Popular Vote2: | 607,943 |
| Percentage2: | 46.94% |
| Map Size: | 270px |
| Governor | |
| Before Election: | Karl Rolvaag |
| Before Party: | Minnesota Democratic–Farmer–Labor Party |
| After Election: | Harold LeVander |
| After Party: | Republican Party of Minnesota |
The 1966 Minnesota gubernatorial election took place on November 8, 1966. Republican Party of Minnesota challenger Harold LeVander defeated Minnesota Democratic–Farmer–Labor Party incumbent Karl Rolvaag. Sandy Keith unsuccessfully ran for the Democratic nomination.