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- William Robert Caddy World War II Medal of Honor recipient; interred at National Memorial Cemetery of the Pacific in Honolulu.
- Daryl Cagle, editorial cartoonist
- Sarah Wayne Callies, actress
- James Campbell, founder of the Estate of James Campbell, a major landowner in Hawaii.
- Joseph Campbell author, lived and died in Honolulu
- Glenn Cannon actor, Co-director of the Cinematic and Digital Arts Program at the University of Hawaii at Manoa
- George Ham Cannon World War II Medal of Honor recipient
- Tia Carrere, singer, actress
- Alexander Cartwright, father of American baseball
- Josh Casaubon actor, stationed in Hawaii for four years with the United States Army.
- Steve Case, former Chairman and CEO of America Online
- Benjamin J. Cayetano, first Filipino American governor
- Cedric Ceballos basketball player/rap artist
- Byron Chamberlain athlete, born in Honolulu
- Michael Chamberlain film director, current resident of Honolulu
- Richard Chamberlain actor, current resident of Hawaii.
- Wah Chang, Hollywood designer
- Ben Chapman actor, longtime resident of Oahu, Hawaii.
- Duane "DOG" Chapman, bounty hunter, lived in Hawaii since 1989.
- Leland Chapman bounty hunter, son of Duane "DOG" Chapman lives in Hawaii.
- Tim Chapman bounty hunter, lived in Hawaii since 1992; works with Duane "DOG" Chapman.
- Charo entertainer, longtime resident.
- Tom Cheney, cartoonist
- Brian Ching, professional soccer (football) player for the US Men's National Team and Houston Dynamo of Major League Soccer.
- Elliott Cho actor, born in Honolulu.
- Kam Fong Chun, police officer/actor
- Herbert Choy, first Asian-American federal judge in U.S. history
- Sam Choy, chef
- Bryan Clay, Olympic athlete
- Archibald Cleghorn, father of Princess Victoria KaŹ»iulani, and husband of Princess Miriam K. Likelike
- Harlan Cleveland, DIKW
- Titus Coan an early missionary to Hawaii, founded Haili Church
- Ed Cobb singer, member of the group The Four Preps
- Scott Coffey actor, born in Hawaii, studied in Honolulu
- Francis Judd Cooke, composer
- Captain James Cook, British explorer; died at Kealakekua Bay
- Mother Marianne Cope, the successor to Father Damien
- David Copperfield, illusionist, early career at Pagoda Hotel
- Matt Corboy actor, born and raised in Honolulu.
- Nancy Cordes, CBS News correspondent
- Ed Corney, IFBB Hall of Fame Bodybuilder.
- John P. Craven PhD, JD ocean engineering scientist, developer of OTEC and law professor
- Buster Crabbe, athlete and actor, studied at the Punahou School in Honolulu
- Princess Victoria KaŹ»iulani Cleghorn, last Hawaiian princess
- Richard E. Cunha cinematographer
Read more about this topic: List Of People From Hawaii