| Election Name: | 1970 United States Senate election in New Mexico |
| Country: | New Mexico |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1964 United States Senate election in New Mexico |
| Previous Year: | 1964 |
| Next Election: | 1976 United States Senate election in New Mexico |
| Next Year: | 1976 |
| Election Date: | November 3, 1970 |
| Image1: | Joseph Montoya.jpg |
| Nominee1: | Joseph Montoya |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 151,486 |
| Percentage1: | 52.26% |
| Nominee2: | Anderson Carter |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 135,004 |
| Percentage2: | 46.57% |
| Map Size: | 230px |
| U.S. Senator | |
| Before Election: | Joseph Montoya |
| Before Party: | Democratic Party (United States) |
| After Election: | Joseph Montoya |
| After Party: | Democratic Party (United States) |
The 1970 United States Senate election in New Mexico took place on November 3, 1970. Incumbent Democratic U.S. Senator Joseph Montoya successfully ran for re-election to a second term, defeating Republican Anderson Carter.