C
- Herb Caen – newspaper columnist (San Francisco Chronicle)
- John Cage – composer
- Nicolas Cage – actor
- Dolph Camilli – baseball player
- Ben Nighthorse Campbell – U.S. Senator from Colorado
- Nick Cannon – actor
- Mr. Capone-E – rapper
- Linda Cardellini – actress (Freaks and Geeks)
- Tucker Carlson – television host
- David Carr – football player
- David Carradine – actor (Kung Fu)
- Ever Carradine – actress (daughter of Robert Carradine)
- Keith Carradine – actor (Nashville)
- Robert Carradine – actor (Revenge of the Nerds)
- Pete Carroll – football coach (University of Southern California)
- Adam Carson – drummer of AFI
- Torry Castellano – drummer of The Donnas
- Cher – actress, entertainer and singer
- Joey Chestnut – competitive eater
- Julia Child – cook
- Margaret Cho – actress
- Amy Chow – gymnast
- Lana Clarkson – actress (Fast Times at Ridgemont High)
- Sasha Cohen – figure skater
- Holly Marie Combs – actress
- Scout Taylor-Compton – actress (Halloween)
- Maureen Connolly – tennis player
- Mike Connors – actor (Mannix)
- Elisha Cook Jr. – actor (The Maltese Falcon)
- Coolio – rapper
- Miranda Cosgrove – actress, singer (iCarly)
- Kevin Costner – actor (Field of Dreams)
- Natalie Coughlin – Olympic swimmer
- Nikki Cox – actress (Las Vegas)
- Les Claypool – bass player for Primus
- Alan Cranston – U.S. Senator from California
- William H. Crocker – philanthropist and founder of Crocker National Bank
- Joe Cronin – professional baseball player
- Ice Cube – musician, actor
- Jamie Lee Curtis – actress (Halloween)
Read more about this topic: List Of People From California