| Election Name: | 1990 United States Senate election in New Mexico |
| Country: | New Mexico |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1984 United States Senate election in New Mexico |
| Previous Year: | 1984 |
| Next Election: | 1996 United States Senate election in New Mexico |
| Next Year: | 1996 |
| Election Date: | November 5, 1990 |
| Image1: | File:Pete Domenici official portrait 2.jpg |
| Nominee1: | Pete Domenici |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 296,712 |
| Percentage1: | 72.95% |
| Nominee2: | Tom Benavidez |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 110,033 |
| Percentage2: | 27.05% |
| U.S. Senator | |
| Before Election: | Pete Domenici |
| Before Party: | Republican Party (United States) |
| After Election: | Pete Domenici |
| After Party: | Republican Party (United States) |
| Map Size: | 230px |
The 1990 United States Senate election in New Mexico was held on November 5, 1990. Incumbent Republican U.S. Senator Pete Domenici won re-election to a fourth term.
As of 2024 this is the last time a Republican candidate won all 33 counties.