| Thomas Campbell | British writer | 1777–1844 |
| Henry Campbell-Bannerman | Former Prime Minister of the … | 1836–1908 |
| Moses Van Campen | American Revolutionary War sc… | 1757–1849 |
| Stacey Campfield | US politician | 1968 |
| Thomas Campion | English composer, poet and ph… | 1567–1620 |
| Tony Campolo | American sociologist | 1935 |
| Pedro Albizu Campos | Puerto Rican politician and i… | 1891–1965 |
| Albert Camus | French author and journalist | 1913–1960 |
| Lydia Canaan | Lebanese singer-songwriter | |
| Charles T. Canady | American politician and judge | 1954 |
| Elisabetta Canalis | Italian model and actress | 1978 |
| Wilhelm Canaris | German admiral, head of milit… | 1887–1945 |
| Trudi Canavan | Australian writer | 1969 |
| Elias Canetti | Bulgarian-born Swiss and Brit… | 1905–1994 |
| Jack Canfield | American writer | 1944 |
| Christian Canlubo | Filipino Internet Entrepreneur | 2002 |
| Loredana Cannata | Italian actress | 1975 |
| Fabio Cannavaro | Italian footballer | 1973 |
| Stephen J. Cannell | American television producer,… | 1941–2010 |
| George Canning | British statesman and politic… | 1770–1827 |
| Gus Cannon | American blues musician | 1883–1979 |
| James P. Cannon | American politician | 1890–1974 |
| Joseph Gurney Cannon | American politician | 1836–1926 |
| José Canseco | Cuban-American baseball player | 1964 |
| Anselm of Canterbury | Benedictine monk, philosopher… | 1033–1109 |
| Eric Cantona | French actor and association … | 1966 |
| Aviva Cantor | Author, journalist and lectur… | 1940 |
| Eddie Cantor | American actor, singer, dance… | 1892–1964 |
| Eric Cantor | American politician | 1963 |
| Georg Cantor | mathematician, inventor of se… | 1845–1918 |
| Jerry Cantrell | American musician and songwri… | 1966 |
| Cao Cao | Chinese warlord during the Ea… | 155–220 |
| Robert Capa | American photographer | 1913–1954 |
| José Raúl Capablanca | Cuban chess player | 1888–1942 |
| Anthony Capella | British writer | 1962 |
| Aldo Capitini | Italian philosopher and polit… | 1899–1968 |
| Arthur Caplan | American academic | 1950 |
| Bryan Caplan | American political scientist | 1971 |
| Mortimer Caplin | Commissioner, Internal Revenu… | 1916–2019 |
| Al Capone | American gangster | 1899–1947 |
| Truman Capote | American author | 1924–1984 |
| Frank Capra | Sicilian-born American film d… | 1897–1991 |
| Fritjof Capra | American physicist | 1939 |
| Alessia Cara | Canadian singer | 1996 |
| Albert Caraco | French-Uruguayan philosopher | 1919–1971 |
| Roger A. Caras | American photographer | 1928–2001 |
| Caratacus | British chieftain of the Catu… | 15–54 |
| Edvige Carboni | Italian Mystic | 1880–1952 |
| Michael Card | singer, songwriter, author, c… | 1957 |
| Orson Scott Card | American science fiction nove… | 1951 |
| Girolamo Cardano | Italian Renaissance mathemati… | 1501–1576 |
| John Reid, Baron Reid of Cardowan | British politician | 1947 |
| Benjamin N. Cardozo | United States federal judge | 1870–1938 |
| Giosuè Carducci | Italian poet and teacher | 1835–1907 |
| Neville Cardus | English writer | 1888–1975 |
| Dudley Carew | English journalist, writer, p… | 1903–1981 |
| Thomas Carew | English poet | 1594–1640 |
| Alex Carey | Australian psychologist | 1922–1988 |
| Drew Carey | American actor, comedian, gam… | 1958 |
| Ernestine Gilbreth Carey | Author, memoirist | 1908–2006 |
| Henry Carey | English composer and playwrig… | 1687–1743 |
| Jacqueline Carey | American fiction writer | 1964 |
| Janet Lee Carey | American children's writer | 1954 |
| Mariah Carey | American singer-songwriter | 1970 |
| Peter Carey | Australian novelist | 1943 |
| Karol Cariola | Chilean politician | 1987 |
| Eric Carle | American children's illustrat… | 1929 |
| Will Carleton | poet. | 1845–1912 |
| George Carlin | American stand-up comedian | 1937–2008 |
| Yvonne De Carlo | Canadian-American actress, da… | 1922–2007 |
| Magnus Carlsen | Norwegian chess player | 1990 |
| Melody Carlson | American writer | 1956 |
| Richard Carlson | Author, psychotherapist and m… | 1961–2006 |
| Tucker Carlson | American political commentator | 1969 |
| Jane Welsh Carlyle | Scottish writer | 1801–1866 |
| Thomas Carlyle | Scottish philosopher, satiric… | 1795–1881 |
| Chris Carmack | American actor and model | 1980 |
| John D. Carmack | American computer programmer,… | 1970 |
| Bliss Carman | author | 1861–1929 |
| Patrick Carman | American writer | 1966 |
| Aryeh Carmell | British rabbi | 1917–2006 |
| Julie Carmen | actress, dancer turned psycho… | 1954 |
| Lo Carmen | Australian actor and musician | 1970 |
| Amy Carmichael | Missionary in India | 1867–1951 |
| Hoagy Carmichael | American composer, pianist, s… | 1899–1981 |
| Ian Carmichael | actor | 1920–2010 |
| Stokely Carmichael | American activist | 1941–1998 |
| Isobelle Carmody | Australian writer | 1958 |
| Rudolf Carnap | German philosopher | 1891–1970 |
| Andrew Carnegie | American businessman and phil… | 1835–1919 |
| Dale Carnegie | American writer and lecturer | 1888–1955 |
| John Carney | | |
| Julia Abigail Fletcher Carney | American writer | 1823–1908 |
| Lazare Carnot | French political, engineering… | 1753–1823 |
| Nicolas Léonard Sadi Carnot | French physicist, the "father… | 1796–1832 |
| Aymeric Caron | French journalist | 1971 |
| Charisma Carpenter | actress | 1970 |
| Edward Carpenter | British poet and academic | 1844–1929 |
| John Carpenter | American film director, scree… | 1948 |
| Joseph Edwards Carpenter | British composer, songwriter … | 1813–1885 |
