| Election Name: | 1970 United States Senate election in Minnesota |
| Country: | Minnesota |
| Flag Year: | 1957 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1964 United States Senate election in Minnesota |
| Previous Year: | 1964 |
| Next Election: | 1976 United States Senate election in Minnesota |
| Next Year: | 1976 |
| Election Date: | November 3, 1970 |
| Image1: | Hubert_Humphrey_senate_portrait.jpg |
| Nominee1: | Hubert H. Humphrey |
| Party1: | Minnesota Democratic–Farmer–Labor Party |
| Popular Vote1: | 788,256 |
| Percentage1: | 57.75% |
| Nominee2: | Clark MacGregor |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 568,025 |
| Percentage2: | 41.62% |
| Map Size: | 280px |
| U.S. Senator | |
| Before Election: | Eugene J. McCarthy |
| Before Party: | Minnesota Democratic–Farmer–Labor Party |
| After Election: | Hubert H. Humphrey |
| After Party: | Minnesota Democratic–Farmer–Labor Party |
The 1970 United States Senate election in Minnesota took place on November 3, 1970. Incumbent Democratic U.S. Senator Eugene McCarthy opted not to seek reelection. Former Democratic U.S. Senator, former Vice President and 1968 presidential nominee Hubert Humphrey defeated Republican U.S. Representative Clark MacGregor.