Ben Ray Luján is an American politician who has served as the junior United States senator from New Mexico since 2021. He served as the U.S. representative for New Mexico's 3rd congressional district from 2009 to 2021 and as Assistant Speaker from 2019 to 2021. He served as a member of the New Mexico Public Regulation Commission from 2005 to 2008, where he also served as chairman.

New Mexico's 3rd congressional district serves the northern half of New Mexico, including the state's Capital, Santa Fe. The district has a significant Native American presence, encompassing most of the New Mexico portion of the Navajo Nation, situated in the northwest corner of the state, and most of the Puebloan peoples reservations. The current Representative is Democrat Teresa Leger Fernandez.