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

Sam Querrey is an American professional tennis player who is ranked world No. 65 in men's singles by the Association of Tennis Professionals (ATP). Known for his powerful serve, Querrey holds the record for consecutive service aces in a match with 10. He is also a capable doubles player, with five doubles titles and a career-high doubles ranking of world no. 23.

Jane Colburn Levy is an American actress. She rose to prominence portraying the lead role on the television series Suburgatory before earning further recognition for her roles in Evil Dead and Don't Breathe, both directed by Fede Álvarez.

Joseph Tyler Mixon is an American football running back for the Cincinnati Bengals of the National Football League (NFL). He played college football at Oklahoma, and was drafted by the Bengals in the second round of the 2017 NFL Draft.

Daniel Dale Johnston was an American singer-songwriter and visual artist regarded as a significant figure in outsider, lo-fi, and alternative music scenes. Most of his work consisted of cassettes recorded alone in his home, and his music was frequently cited for its "pure" and "childlike" qualities.

Matthew Kelly Barnes is an American former professional basketball player who played 14 seasons in the National Basketball Association (NBA). Barnes was drafted in the second round of the 2002 NBA draft by the Memphis Grizzlies. He won an NBA championship with the Golden State Warriors in his last season with the league in 2017.

Shaun Paul Cassidy is an American singer, actor, writer and producer. Cassidy starred in the television series The Hardy Boys Mysteries (1977–1979), Breaking Away (1980–1981) and a stint on the daytime soap General Hospital (1987). In the 1980s and 90s, Cassidy worked almost exclusively as an actor in the theater, performing on Broadway and in the West End of London. Since the mid-1990s, Cassidy has been a writer and producer in television, creating and producing a number of television series, including American Gothic, Roar and Invasion. He is currently the consulting producer on NBC's medical drama New Amsterdam. Cassidy is the eldest son of Academy Award-winning actress Shirley Jones and Tony Award-winning actor Jack Cassidy. His older half-brother was David Cassidy.

Margo Cathleen Harshman is an American actress known for her role as Tawny Dean on Even Stevens, her role as Alex Jensen on The Big Bang Theory, and her role as Delilah McGee on NCIS.

Vanessa Rosalia Marquez was an American actress. She was primarily known for her recurring role in the first three seasons of ER as nurse Wendy Goldman, as well as her role as Ana Delgado in the 1988 biographical drama film, Stand and Deliver.

John Leslie Coogan was an American actor and comedian who began his film career as a child actor in silent films.

Sara Beth Bareilles is an American singer-songwriter, actress, author, and producer. Bareilles released her debut studio album Careful Confessions in 2004. She received further recognition with the release of her second studio album Little Voice (2007). The album included the hit single "Love Song", which reached no. 4 on the Billboard Hot 100 and earned her two Grammy Award nominations, including Song of the Year. In 2010, she released her third studio album Kaleidoscope Heart, with its lead single "King of Anything" earning a Grammy Award nomination. In 2011, Bareilles served as a judge in the third season of the NBC singing competition series The Sing-Off. In 2013, she released her fourth studio album The Blessed Unrest, which earned two Grammy Award nominations, including Album of the Year.