| Thomas Campbell | 1777–1844 | 1 |
| Joachim Heinrich Campe | 1746–1818 | 1 |
| M. H. Van Campen | 1874–1942 | 2 |
| Campion, Edmund, Saint | 1540–1581 | 1 |
| José Campo Arana | 1847–1885 | 1 |
| Alfredo Campos | 1847–1906 | 1 |
| Alvaro de Campos | 1888–1935 | 2 |
| Jean-Pierre Camus | 1584–1652 | 1 |
| Henry Seidel Canby | 1878–1961 | 1 |
| Helen Churchill Candee | 1861–1949 | 1 |
| Arthur Graves Canfield | 1859–1947 | 1 |
| Gilbert Cannan | 1884–1955 | 4 |
| George Canning | 1770–1827 | 1 |
| Frank J. Cannon | 1859–1933 | 1 |
| Theodore Canot | 1804–1860 | 1 |
| Minna Canth | 1844–1897 | 13 |
| William Canton | 1845–1926 | 1 |
| Cesare Cantù | 1804–1895 | 2 |
| Zhi Cao | 192–232 | 1 |
| J. B. (Jean Baptiste) Caouette | 1854–1922 | 3 |
| T. J. (Thomas John) Capel | 1836–1911 | 1 |
| Ernest Capendu | 1826–1868 | 2 |
| Bernard Capes | 1854–1918 | 1 |
| J. M. (John Moore) Capes | 1813–1889 | 1 |
| Innocenzo Cappa | 1875–1954 | 1 |
| Luigi Capuana | 1839–1915 | 4 |
| Raffaello Carboni | 1817–1875 | 1 |
| Giulio Carcano | 1812–1884 | 1 |
| Benjamin N. (Benjamin Nathan) Cardozo | 1870–1938 | 1 |
| Richard Carew | 1555–1620 | 1 |
| Henry Charles Carey | 1793–1879 | 2 |
| Rosa Nouchette Carey | 1840–1909 | 4 |
| T. J. (Thomas Joseph) Carey | born 1853 | 1 |
| William Carey | 1761–1834 | 1 |
| Margaret Sprague Carhart | 1877–1953 | 1 |
| Will Carleton | 1845–1912 | 1 |
| William Carleton | 1794–1869 | 20 |
| Carlowitz, Aloïse Christine, baronne de | 1797–1863 | 1 |
| George L. Carlson | 1887–1962 | 1 |
| Thomas Carlyle | 1795–1881 | 38 |
| Bliss Carman | 1861–1929 | 9 |
| Alfred Carmichael | 1874–1963 | 1 |
| R. D. (Robert Daniel) Carmichael | 1879–1967 | 2 |
| Andrew Carnegie | 1835–1919 | 4 |
| Dale Carnegie | 1888–1955 | 1 |
| David Wynford Carnegie | 1871–1900 | 1 |
| Josep Carner | 1884–1971 | 2 |
| E. (Elme-Marie) Caro | 1826–1887 | 1 |
| Edward Carpenter | 1844–1929 | 3 |
| George H. (George Herbert) Carpenter | 1865–1939 | 1 |
| Horace T. (Horace Thompson) Carpenter | 1857–1947 | 1 |
| Minnie Lindsay Rowell Carpenter | 1874–1960 | 1 |
| William H. (William Henry) Carpenter | 1853–1936 | 1 |
| Herbert Wildon Carr | 1857–1931 | 1 |
| John F. Carr | born 1944 | 1 |
| Carr, John, Sir | 1772–1832 | 2 |
| Terry Carr | 1937–1987 | 1 |
| Zulma Carraud | 1796–1889 | 2 |
| Emilio Carrere | 1881–1947 | 1 |
| Charles Carrington | 1867–1921 | 1 |
| Hereward Carrington | 1880–1959 | 2 |
| Lewis Carroll | 1832–1898 | 12 |
| Robert S. (Robert Sproul) Carroll | 1869–1949 | 1 |
| William Carroll | 1915–2014 | 1 |
| Hayden Carruth | 1862–1932 | 1 |
| Charles E. (Charles Edward) Carryl | 1841–1920 | 2 |
| Guy Wetmore Carryl | 1873–1904 | 2 |
| Michel Carré | 1819–1872 | 1 |
| Charles Franklin Carter | 1890–1957 | 1 |
| F. A. (Freeland A.) Carter | 1856–1948 | 1 |
| Carter, Herbert, active | 1909–1917 | 2 |
| Jesse Benedict Carter | 1872–1917 | 1 |
| Jimmy Carter | 1924–2024 | 1 |
| Edd Cartier | 1914–2008 | 1 |
| Jacques Cartier | 1491–1557 | 2 |
| Julia Cartwright | 1851–1924 | 1 |
| Paul Carus | 1852–1919 | 1 |
| Enrico Caruso | 1873–1921 | 1 |
| David Nunes Carvalho | 1848–1925 | 1 |
| Manuel Emílio Gomes de Carvalho | 1859–1919 | 1 |