The 2010 California lieutenant gubernatorial election was held on November 2, 2010 to choose the Lieutenant Governor of California. The primary election was held on June 8, 2010. Incumbent Republican Lieutenant Governor Abel Maldonado, who was appointed to the office, ran for election to a full term and was defeated by Democratic Mayor Gavin Newsom of San Francisco. Lieutenant Governor Newsom started his four-year term on 10 January 2011.
The following were certified by the California Secretary of State as candidates in the primary election for lieutenant governor. Candidates who won their respective primaries and qualified for the general election are shown in bold.