The United States House of Representatives elections in California, 1938 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, 1938. Republicans gained four districts. Franck R. Havenner, first elected to Congress as a Progressive, was elected for the rest of his House career as a Democrat.
Final results from the Clerk of the House of Representatives: http://clerk.house.gov/member_info/electionInfo/1938election.pdf