The United States House of Representatives elections in California, 1966 was an election for California's delegation to the United States House of Representatives, which occurred as part of the general election of the House of Representatives on November 8, 1966. Republicans gained three seats from the Democrats. There was a mid-decade redistricting of the California districts in 1966.
Final results from the Clerk of the House of Representatives: http://clerk.house.gov/member_info/electionInfo/1966election.pdf