| Election Name: | 1970 United States Senate election in Maine |
| Country: | Maine |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1964 United States Senate election in Maine |
| Previous Year: | 1964 |
| Next Election: | 1976 United States Senate election in Maine |
| Next Year: | 1976 |
| Election Date: | November 3, 1970 |
| Image1: | File:Muskie.jpg |
| Nominee1: | Edmund Muskie |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 199,954 |
| Percentage1: | 61.74% |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 123,906 |
| Percentage2: | 38.26% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Party: | Democratic Party (US) |
| After Party: | Democratic Party (US) |
The 1970 United States Senate election in Maine was held on November 3, 1970. Incumbent Democrat Edmund Muskie defeated Republican nominee Neil S. Bishop with 61.74% of the vote.
Primary elections were held on June 15, 1970.[1]