Brian Dwain Dahle is an American politician and farmer who has served as a member of the California State Senate from the 1st district since 2019. A member of the Republican Party, Dahle served as a member of the California State Assembly from the 1st district from 2012 to 2019, and as Assembly minority leader from 2017 to 2018. Before his election to the state legislature, Dahle served on the Lassen County Board of Supervisors from 1997 to 2012.

California's 1st State Assembly district is one of 80 California State Assembly districts. It is currently represented by Republican Megan Dahle of Bieber.