| Election Name: | 1957 United States House election in New Mexico special election |
| Country: | New Mexico |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1956 United States House of Representatives election in New Mexico |
| Previous Year: | 1956 |
| Next Election: | 1958 United States House of Representatives election in New Mexico |
| Next Year: | 1958 |
| Election Date: | April 9, 1957 |
| Image1: | Joseph Montoya.jpg |
| Nominee1: | Joseph Montoya |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 68,957 |
| Percentage1: | 52.84% |
| Nominee2: | Tom Bolack |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 61,534 |
| Percentage2: | 47.16% |
| Map Size: | 215px |
| Representative At-large | |
| Before Election: | John J. Dempsey |
| Before Party: | Democratic Party (United States) |
| After Election: | Joseph Montoya |
| After Party: | Democratic Party (United States) |
The 1957 New Mexico's at-large congressional district special election was held on Tuesday April 9, 1957 to fill the vacancy caused by the death of At-Large representative John J. Dempsey.
Lieutenant Governor Joseph Montoya won the special election by a margin of 6.04 percentage points. He would continue to represent New Mexico's at-large congressional district until 1964.