The 2020 United States House of Representatives elections in Arizona was held on November 3, 2020, to elect the nine U.S. representatives from the state of Arizona, one from each of the state's nine congressional districts. The elections coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections.This election was the first time since 1990 in which no third-party candidates appeared on the ballot in the House of Representatives elections.