List of Famous people born in California, United States of America

Donald Eugene “Nakaya” Nielsen was an American kickboxer, professional wrestler, actor, and chiropractor. Best known for his lengthy tenure in professional martial arts, Nielsen was an international competitor who held the WKA US Cruiserweight Championship for much of his career and fought in one of the earliest mixed martial arts-style matches of Japan. As an alternative medicine practitioner, Nielsen played an active role in legalizing chiropractic practice in Thailand.

Luis Walter Alvarez was an American experimental physicist, inventor, and professor who was awarded the Nobel Prize in Physics in 1968 for development of the hydrogen bubble chamber enabling discovery of resonance states in particle physics. The American Journal of Physics commented, "Luis Alvarez was one of the most brilliant and productive experimental physicists of the twentieth century."

Michael Orozco Fiscal is an American professional soccer player who currently plays for USL Championship club Orange County SC.

Brad Gilbert is a former professional tennis player and an American tennis coach. During his career, he won 20 singles titles and achieved a career-high singles ranking of world No. 4 in 1990, and a career-high doubles ranking of world No. 18 four years prior. He won a bronze medal at the 1988 Olympics, and both a gold medal and a silver medal at the 1981 Maccabiah Games.

Nina O'Brien is an American World Cup alpine ski racer and specializes in the technical events of giant slalom and slalom.

America Athene Campbell is a Canadian-American actress, singer and model best known as a member of the band Soluna, for her roles in the films Bitch Slap (2009), Friday the 13th (2009) and Maniac (2012) as well as starring in the Broadway musical Spider-Man: Turn Off the Dark.

Gideon Adlon is an American actress. She is best known for her starring roles in the comedy film Blockers (2018), the drama film The Mustang (2019), and the horror film The Craft: Legacy (2020). Adlon also starred in the Netflix drama series The Society (2019).

Pierre Emil George Salinger was an American journalist, author and politician. He had served as the ninth White House Press Secretary for United States Presidents John F. Kennedy and Lyndon B. Johnson. Salinger served as a United States Senator in 1964 and as campaign manager for the 1968 Robert F. Kennedy presidential campaign.

Matt Simons is an American singer-songwriter based in Brooklyn, New York City. Self-releasing his first EP Living Proof in 2012, he has since gone on to release two full-length albums globally, achieving chart success across Europe, South Africa, and the Americas.