| Walter Cronkite | American broadcast journalist | 1916–2009 |
| Alexander De Croo | Belgian politician | 1975 |
| William Crookes | British chemist and physicist | 1832–1919 |
| Ernest Howard Crosby | American politician | 1856–1907 |
| Fanny J. Crosby | American poet, lyricist and c… | 1820–1915 |
| Kathryn Crosby | American actress | 1933 |
| Philip B. Crosby | Quality guru | 1926–2001 |
| Ben Croshaw | English video game journalist | 1983 |
| Anthony Crosland | British politician | 1918–1977 |
| Christopher Cross | American singer-songwriter | 1951 |
| David Cross | American comedian, writer and… | 1964 |
| Donna Woolfolk Cross | American novelist | 1947 |
| John of the Cross | Spanish mystic and Roman Cath… | 1542–1591 |
| Marcia Cross | American actress | 1962 |
| Neil Cross | British novelist and scriptwr… | 1969 |
| John Dominic Crossan | American academic | 1934 |
| Richard Crossman | British Member of Parliament | 1907–1974 |
| Samuel McChord Crothers | American minister | 1857–1927 |
| Paul Crouch | American broadcster | 1934–2013 |
| Sheryl Crow | American musician and actress | 1962 |
| Steven Crowder | American actor | 1987 |
| Cameron Crowe | Academy Award-winning America… | 1957 |
| Russell Crowe | New Zealand-born Australian a… | 1964 |
| William J. Crowe | United States admiral | 1925–2007 |
| Crowfoot | Chief of the Siksika | 1830–1890 |
| Aleister Crowley | poet, mountaineer, occultist | 1875–1947 |
| John Crowley | American writer | 1942 |
| Michel Crozier | French sociologist | 1922–2013 |
| Jon Cruddas | British politician | 1962 |
| Helen Cruickshank | British poet | 1886–1975 |
| Tom Cruise | American actor and film produ… | 1962 |
| Robert Crumb | American cartoonist | 1943 |
| James Crumley | American writer | 1939–2008 |
| Jennifer Crusie | American writer | 1949 |
| Chris Crutcher | American children's writer | 1946 |
| Johan Cruyff | Dutch association football pl… | 1947–2016 |
| Celia Cruz | Cuban singer (1925-2003) | 1925–2003 |
| Juana Inés de la Cruz | Nun, scholar and poet in New … | 1651–1695 |
| Melissa de la Cruz | American writer | 1971 |
| Migdalia Cruz | American writer | 1958 |
| Nilo Cruz | American playwright | 1960 |
| Penélope Cruz | Spanish actress | 1974 |
| Ted Cruz | American politician | 1970 |
| Billy Crystal | American actor | 1948 |
| David Crystal | British linguist and writer | 1941 |
| Mihaly Csikszentmihalyi | Hungarian American psychologi… | 1934 |
| Brunello Cucinelli | Italian entrepreneur and phil… | 1953 |
| Kid Cudi | American rapper, singer, song… | 1984 |
| Edvin Kanka Cudic | Human rights defender | 1988 |
| Ralph Cudworth | English philosopher | 1617–1688 |
| Javier Pérez de Cuéllar | 5th Secretary-General of the … | 1920 |
| Ottobah Cugoano | African abolitionist in Engla… | 1757–1791 |
| Peter Cullen | | |
| Peter Cullinane | Catholic bishop | 1936 |
| Oscar Cullmann | French theologian | 1902–1999 |
| Patrisse Cullors | American artist and activist | 1984 |
| Clandestine Culture | American artist | 1970 |
| Chet Culver | American football player and … | 1966 |
| Benedict Cumberbatch | English actor and film produc… | 1976 |
| Nigel Cumberland | British author and leadership… | 1967 |
| Alan Cumming | Scottish actor | 1965 |
| Dominic Cummings | English political strategist | 1971 |
| E.E. Cummings | American poet | 1894–1962 |
| Elijah Cummings | U.S. Representative from Mary… | 1951–2019 |
| Joseph Cummings | | |
| Luke Cummo | American mixed martial artist | 1980 |
| Edgar Moreira da Cunha | Catholic bishop | 1957 |
| Alexander Cunningham | | |
| Allan Cunningham | | |
| J. V. Cunningham | American writer | 1911–1985 |
| Loren Cunningham | American missionary | 1935 |
| Merce Cunningham | American dancer | 1919–2009 |
| Michael Cunningham | American novelist and screenw… | 1952 |
| Scott Cunningham | U.S. writer about Wicca and t… | 1956–1993 |
| Ward Cunningham | American computer programmer … | 1949 |
| Vincenzo Cuoco | Italian historian and writer | 1770–1823 |
| Andrew Cuomo | 56th Governor of New York | 1957 |
| Mario Cuomo | American politician, Governor… | 1932–2015 |
| Blase J. Cupich | Catholic bishop | 1949 |
| Will Cuppy | American writer | 1884–1949 |
| Suzanne Curchod | French-Swiss salonist and wri… | 1737–1794 |
| Marie Curie | French-Polish physicist and c… | 1867–1934 |
| Pierre Curie | French physicist | 1859–1906 |
| Robert Curl | American chemist | 1933 |
| Marianne Curley | Australian writer | 1959 |
| Edwina Currie | British politician | 1946 |
| George Law Curry | American politician | 1820–1878 |
| Stephen Curry | American basketball player | 1988 |
| Tim Curry | English actor, voice artist, … | 1946 |
| John Curtin | | |
| Christopher Paul Curtis | American children's writer | 1953 |
| Cyrus Hermann Kotzschmar Curtis | American publisher | 1850–1933 |
| Deborah Curtis | widow of Ian Curtis | 1956 |
| George William Curtis | American writer | 1824–1892 |
| Ian Curtis | musician and songwriter | 1956–1980 |
| Jamie Lee Curtis | actress, author | 1958 |
| James Oliver Curwood | Novelist, conservationist | 1878–1927 |
| Nicholas of Cusa | German philosopher, theologia… | 1401–1464 |
| Alonzo Cushing | Union Army soldier | 1841–1863 |
| Peter Cushing | English actor | 1913–1994 |
