1920 United States House of Representatives election in New Mexico

The 1920 United States House of Representatives election in New Mexico was held on November 2, 1920, to elect the state's at-large representative. Incumbent Republican Benigno C. Hernández chose not to run for re-election to a third term.

This was the first time republicans won this district in back to back elections. Montoya under performed Warren G. Harding's performance in the concurrent presidential election by about 5 percentage points.