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- Cromwell, Gladys (1, 1885 to 1919)
- Crosland, T. W. H. (7, c. 1865 to 1924)
- Cross, Frederick J. (2, fl.1895)
- Cross, Zora (2, 1890 to 1964)
- Crothers, Rachel (2, 1878 to 1958)
- Crowe, Catherine (2, 1803 to 1876)
- Crowell, Benedict (1, 1869 to 1920)
- Crowley, Aleister (1, 1875 to 1947)
- Crownfield, Gertrude (1, 1868 to 1945)
- Crozier, Alfred Owen (1, 1863 to 1939)
- Crump, Irving (1, 1887 to 1979)
- Crutchley, William Caius (1, 1848 to 1923)
- Cruz e Sousa, João da (1, 1861 to 1898)
- Cruz, Sor Juana Inés de la (1, 1651 to 1695)
- Cuey-na-Gael (1, 1858 to 1937)
- Cullen, Countee (1, 1903 to 1946)
- Cullen, Joseph P. (1)
- Cullum, Ridgwell (2, 1867 to 1943)
- Culp, Daniel Wallace (1, 1845)
- Cummings, E. E. (3, 1894 to 1962)
- Cummings, Mabel H. (1, 0 to 0)
- Cummings, Marion (1, 1876 to 1926)
- Cummings, Ray (25, 1907 to 1957)
- Cummins, Harle Oren (1, 1859 to 1931)
- Cummins, Maria Susanna (1, 1827 to 1866)
- Cunard, Nancy (1, 1896 to 1965)
- Cuney, Waring (1, 1906 to 1976)
- Cunha, Euclides da (2, 1866 to 1909)
- Cunningham, Allan (1, 1784 to 1842)
- Cunningham, E. (1, fl.1873)
- Cunningham, Peter (1, 1816 to 1869)
- Curie, Marie (2, 1867 to 1934)
- Curling, Henry (1, 1803 to 1864)
- Currie, Barton Wood (1, 1877 to 1962)
- Currie, George Graham (2, 1867 to 1926)
- Curry, Samuel Silas (1, 1847 to 1921)
- Curteis, Arthur M. (1, 1833 to 1922)
- Curtis, Alice Turner (2, 1860 to 1958)
- Curtis, Edward Sherriff (1, 1868 to 1952)
- Curtis, Emma Ghent (1, 1860 to 1918)
- Curtis, George William (4, 1824 to 1892)
- Curtis, Irene (1, 1890 to 1916)
- Curtis, Mary (1, c. 1842)
- Curtiss, Glenn (1, 1878 to 1930)
- Curwood, James Oliver (18, 1878 to 1927)
- Cushing, Catherine Chisholm (1, 1874 to 1952)
- Custance, Olive (3, 1874 to 1944)
- Custer, Elizabeth Bacon (1, 1842 to 1933)
- Custer, George Armstrong (1, 1839 to 1876)
- Cuthbertson, James Lister (1, 1851 to 1910)
- Cutler, Uriel Waldo (1, 1854 to 1936)
- Cutten, George Barton (1, 1874 to 1962)
- Cutter, Sarah J. (1, 1852 to 1895)
- Cutting, Mary Stewart Doubleday (1, 1851 to 1924)
- Cyprian of Carthage, Saint (1, c. 200 to 258)
- Cyril of Alexandria (26, c. 376 to 444)
- Czapek, Frederick (1, 1868 to 1921)