| Joshua Casteel | US Army soldier, lecturer, an… | 1979–2012 |
| Manuel Castells | Spanish sociologist (b.1942) | 1942 |
| Baldassarre Castiglione | Italian Renaissance author (1… | 1478–1529 |
| Achille Castiglioni | Italian designers and archite… | 1918–2002 |
| Alfonso X of Castile | King of Castile | 1221–1284 |
| Ana Castillo | novelist, poet, essayist, sho… | 1953 |
| Pedro Castillo | president of Peru | 1969 |
| Raúl Castillo | American actor, writer | 1977 |
| Susie Castillo | MTV VJ, Miss USA 2003 | 1979 |
| Barbara Castle | British politician | 1910–2002 |
| Keisha Castle-Hughes | Australian actress | 1990 |
| Robert Stewart, Viscount Castlereagh | British politician | 1769–1822 |
| Cornelius Castoriadis | Greek-French philosopher | 1922–1997 |
| Eduardo de Castro | Filipino actor and film direc… | 1907–1955 |
| Fidel Castro | former First Secretary of the… | 1926–2016 |
| Manuel Monteiro de Castro | secretary of the Congregation… | 1938 |
| Raúl Castro | First Secretary of the Centra… | 1931 |
| Rosalía de Castro | Galician poet, writer | 1837–1885 |
| Xiomara Castro | First Lady of Honduras | 1959 |
| Slobodan Casule | Macedonian politician | 1945–2015 |
| Willa Cather | American writer and novelist | 1873–1947 |
| Catiline | ancient Roman Senator | -109–-62 BC |
| Mary Jo Catlett | actress | 1938 |
| Molly Scott Cato | British economist and Member … | 1963 |
| Carrie Chapman Catt | American social reformer, suf… | 1859–1947 |
| Raymond Cattell | British-American psychologist | 1905–1998 |
| Gaio Valerio Catullo | Latin poet | -84–-54 BC |
| Asenaca Caucau | Fijian politician | |
| Augustin Louis Cauchy | French mathematician (1789–18… | 1789–1857 |
| Christopher Caudwell | British Marxist literary crit… | 1907–1937 |
| Sarah Caudwell | English barrister and writer | 1939–2000 |
| Emma Caulfield | actress | 1973 |
| Diego Causero | Italian apostolic nuncio | 1940 |
| Constantine P. Cavafy | Greek poet | 1863–1933 |
| Bem Cavalgar | King of Portugal | 1391–1438 |
| Ugo Cavallero | Italian general | 1880–1943 |
| Nick Cave | Australian musician | 1957 |
| Edith Cavell | British nurse | 1865–1915 |
| Stanley Cavell | American philosopher | 1926–2018 |
| Henry Cavendish | | |
| Henry Cavendish | British natural philosopher, … | 1731–1810 |
| Margaret Cavendish | English aristocrat, a prolifi… | 1623–1673 |
| Dick Cavett | American talk show host | 1936 |
| Juan del Valle y Caviedes | | |
| Jim Caviezel | actor | 1968 |
| Neil Cavuto | American television presenter | 1958 |
| Madison Cawein | poet from Louisville, Kentucky | 1865–1914 |
| Scott Cawthon | American independent video ga… | 1971 |
| William Caxton | English merchant, diplomat, w… | 1422–1491 |
| Edgar Cayce | Purported clairvoyant healer … | 1877–1945 |
| Philip Ó Ceallaigh | Irish writer | 1968 |
| Kyle Cease | American actor | 1977 |
| Elena Ceaușescu | Romanian politician | 1916–1989 |
| Nicolae Ceaușescu | General Secretary of the Roma… | 1918–1989 |
| Giovanni Maria Cecchi | Italian poet, playwright, wri… | 1518–1587 |
| Paul Celan | Romanian poet and translator | 1920–1970 |
| Louis-ferdinand Céline | French writer | 1894–1961 |
| Benvenuto Cellini | Florentine sculptor and golds… | 1500–1571 |
| Blaise Cendrars | French writer of Swiss origin | 1887–1961 |
| 50 Cent | American rapper, actor, busin… | 1975 |
| Simonides of Ceos | Ancient Greek musician and po… | -556–-468 BC |
| Javier Cercas | Spanish writer, journalist an… | 1962 |
| Fausto Cercignani | Italian scholar, essayist and… | 1941 |
| Vint Cerf | American computer scientist | 1943 |
| Mustafa Ef. Ceric | Bosnian Imam | 1952 |
| Anton Cermak | American politician | 1873–1933 |
| Eugene Cernan | United States Navy officer an… | 1934–2017 |
| Mike Cernovich | American writer | 1977 |
| Guido Ceronetti | Italian poet, writer, journal… | 1927–2018 |
| Percy Cerutty | Australian athletics coach | 1895–1975 |
| Lorna Dee Cervantes | American writer | 1954 |
| Miguel de Cervantes | Spanish novelist, poet, and p… | 1547–1616 |
| Aimé Césaire | Martiniquais politician | 1913–2008 |
| Paul Cézanne | French painter | 1839–1906 |
| Michael Chabon | Novelist, short story writer,… | 1963 |
| Eugene Chadbourne | American musician | 1954 |
| Stephen F. Chadwick | American politician | 1825–1895 |
| Whitney Chadwick | | 1943 |
| Zechariah Chafee | American judicial philosopher… | 1885–1957 |
| Marc Chagall | French artist and painter | 1887–1985 |
| M. C. Chagla | Indian politician and judge | 1900–1981 |
| Napoleon Chagnon | American anthropologist | 1938–2019 |
| Ajahn Chah | thai Buddhist monk | 1918–1992 |
| Ernst Chain | German scientist | 1906–1979 |
| 2 Chainz | American rapper from Georgia | 1977 |
| Gregory Chaitin | Argentinian mathematician and… | 1947 |
| George Chakiris | American dancer, singer and a… | 1934 |
| Dilip Kumar Chakrabarti | Indian archaeologist | 1941 |
| Prosanta Chakrabarty | American ichthyologist | 1978 |
| Lazarus Chakwera | Malawi religious figure and p… | 1955 |
| Mani Madhava Chakyar | Indian actor | 1899–1990 |
| Ahmed Chalabi | Iraqi politician | 1944–2015 |
| Mona Chalabi | British data journalist | 1987 |
| Timothée Chalamet | French-American Actor (1995) | 1995 |
| Alan Chalmers | Australian philosopher of sci… | 1939 |
| David Chalmers | Australian philosopher and co… | 1966 |
| Thomas Chalmers | Scottish mathematician and a … | 1780–1847 |
| Ary Chalus | French politician | 1961 |
| Austen Chamberlain | British politician | 1863–1937 |
| Diane Chamberlain | American writer | 1950 |
