Chick Corea, Jazz musician, Armando Anthony Corea (Boston, Massachusetts, 1941).
Christian Cardell Corbet, Artist and historian; Christian Cardell Belmont (Ajax, Ontario 31 January 1966). Founded the Canadian Portrait Academy. Born Corbet; changed his name during the 1980s.
Glenn Corbett, Actor; Glenn Rothenburg (El Monte, California 1 January 1930 - 16 January 1993).
Barry Corbin, Actor; Leonard Barrie Corbin (Lamesa, Texas 16 October 1940).
Le Corbusier, Architect (U.N. building), Charles-Edouard-Jeanneret-Gris, (France, 1887-1965).
Ellen Corby, Actor; Ellen Hansen (Racine, Wisconsin 3 June 1913 - 14 April 1999). Some sources have 1913. (Grandma Walton)
Alex Cord, Actor, Alex Viespi (USA, 1933).
Rita Corday, Actor, Jeanne Paul Teipotemarga, (Switzerland, 1924-1992).
El Cordobes, Matador, Manuel Benitez Perez (Spain, 1936).
Jill Corey, Singer; Norma Jean Esperanza (Avonmore, Pennsylvania 30 September 1935).
Wendell Corey, Actor; Wendell Reid Corey (Dracut, Massachusetts 20 March 1914 - 8 November 1968).
Don Cornell, Singer; Luigi Francisco Varlaro (New York City 21 April 1919 - 23 February 2004).
F. M. Cornford, Writer; Francis MacDonald Cornford (1874-1943).
Pearl Cornioley, Spy; née Cécile Pearl Witherington (Paris 24 June 1914 - 24 February 2008).
General Cornwallis, Soldier; Charles, Earl Cornwallis (London 31 December 1738 - 5 October 1805).
Patricia Cornwell, Novelist; née Patricia Carroll Daniels (Miami, Florida 9 June 1956).
Charles Correll, Radio Actor; Charles James Correll (Peoria, Illinois 2 February 1890 - 26 September 1972).
Ray 'Crash' Corrigan, Actor; Raymond Benard (Milwaukee, Wisconsin 14 February 1902 - 10 August 1976).
Wrong Way Corrigan, Aviator; Clyde Groce Corrigan (Galveston, Texas 22 January 1907 - 9 December 1995). He adopted the name Douglas as an adult.
Bud Cort, Actor, Walter Edward Cox, (USA, 1950).
Dave "Baby" Cortez, Musician; David Cortez Clowney (Detroit, Michigan 13 August 1938).
Ricardo Cortez, Actor; Jacob Krantz (Vienna, Austria 19 September 1899 - 28 April 1977).
Stanley Cortez, cinematographer, Stanislaus Kranz (USA 1908-97). A true Hollywood artist, he worked with Orson Welles, creating the Magnificent Ambersons; he was an expert in black and white movies.
Howard Cosell, Sportscaster, Howard William Cohen, (Winston-Salem, North Carolina, 25 March 1918 - 23 April 1995).
Dolores Costello, Silent film actor; Dolores Costello (Pittsburgh, Pennsylvania 17 September 1905 - 1 March 1979). Wife of John Barrymore.
Elvis Costello, Singer, Declan Patrick McManus (England, 1954)
Lou Costello, Comedian/Actor, Louis Francis Cristillo (USA, 1906-1959).
Kevin Costner, Actor; Kevin Michael Costner (Lynnwood, California 18 January 1955).
Carolina Cotton, Actor; Helen Hagstrom (Cash, Arkansas 20 October 1926 10 June 1997 Bakersfield, California).
François Coty, Perfume manufacturer; Joseph Marie François Spoturno (Ajaccio, Corsica 3 May 1874 - 25 July 1934).
Pierre de Coubertin, Historian, and founder of the modern Olympic Games; Pierre de Frédy, Baron de Coubertin (Paris, France 1 January 1863 - 2 September 1937).
Margaret Smith Court, Tennis Player: née Margaret Jean Smith (Albury, New South Wales 16 July 1942).
Jacques Cousteau, Oceanographer; Jacques-Yves Cousteau (Saint-André-de-Cubzac, France 11 June 1910 - 25 June 1997).
Jerome Cowan, Actor; Jerome Palmer Cowan (New York 6 October 1897 - 24 January 1972).
Noël Coward, Dramatist, actor, singer; Noel Pierce Coward (Teddington, Middlesex, England 16 December 1899 - 26 March, 1973).
Joshua Lionel Cowen, Inventor; Joshua Lionel Cohen (New York 25 August 1877 - 8 September 1965).
Abraham Cowley, Poet; Abraham Cowley (1618-1667).
Nikki Cox, Actor; Nicole Avery Cox (Los Angeles, California 2 June 1978).
Ronny Cox, Actor, Daniel Ronald Cox, (USA, 23 July 1938).
Wally Cox, Actor; Wallace Maynard Cox (Detroit, Michigan Decemeber 1924 - February 1973).
Peter Coyote, Actor, Robert Peter Cohon (Colver, Pennsylvania 10 October 1941).