The Libertarian Party of California (LPC) is the California affiliate of the national Libertarian Party (LP). The party chairman is Adrian Malagon, and is based in Sacramento, California, in Sacramento County. As of 2016 Libertarians represent approximately 0.7% of the state's registered voters.

James Polin Gray is an American jurist and writer. He was the presiding judge of the Superior Court of Orange County, California. Gray was the 2012 Libertarian Party vice presidential nominee, as well as the party's 2004 candidate for the United States Senate in California. He is the author of multiple books and a play, and is an outspoken critic of American drug laws.