GEICO Car Insurance Company is an American auto insurance company with headquarters in Chevy Chase, Maryland.

It is the second-largest auto insurer in the United States, after State Farm. GEICO Insurance Company is a wholly-owned subsidiary of Berkshire Hathaway that provides coverage for more than 24 million vehicles owned by more than 18 million policyholders as of 2021.

GEICO Insurance Company writes private passenger automobile insurance in all 50 U.S. states and the District of Columbia. The GEICO Insurance Company sells auto insurance policies through local agents, called GEICO Field Representatives, over the phone directly to the consumer via licensed insurance agents, and through their website. Its mascot is a gold dust day gecko with a Cockney accent, voiced by English actor Jake Wood from 2005 until his termination due to a pay dispute in 2015. GEICO is well known in popular culture for its advertising, having made numerous commercials intended to entertain viewers.