| D. A. (David Alva) Clippinger | 1860–1938 | 1 |
| Erle Elsworth Clippinger | 1875–1939 | 1 |
| Mrs. (Catherine) Clive | 1711–1785 | 1 |
| T. E. (Timothy E.) Clontz | born 1964 | 1 |
| Myla Jo Closser | 1880–1962 | — |
| Arthur Hugh Clough | 1819–1861 | 2 |
| Ethlyn T. Clough | 1858–1936 | 1 |
| J. Storer (Joseph Storer) Clouston | 1870–1944 | 5 |
| W. A. (William Alexander) Clouston | 1843–1896 | 3 |
| A. (Arthur) Clutton-Brock | 1868–1924 | 4 |
| Henry C. (Henry Coe) Coape | 1810–1890 | 1 |
| Irvin S. (Irvin Shrewsbury) Cobb | 1876–1944 | 15 |
| John N. (John Nathan) Cobb | 1868–1930 | 1 |
| Ruth Cobb | 1878–1950 | 1 |
| Samuel Cobb | 1675–1713 | 1 |
| Thomas Cobb | 1854–1932 | 1 |
| J. Maclaren (James Maclaren) Cobban | 1849–1903 | 1 |
| William Cobbett | 1763–1835 | 1 |
| Alvin Langdon Coburn | 1882–1966 | 1 |
| Frederick Simpson Coburn | 1871–1960 | 2 |
| Henry F. (Henry Frederick) Cochems | 1875–1921 | 1 |
| Thomas Cochrane | 1866–1953 | 1 |
| Mary L. (Mary Louisa) Code | 1849–1873 | 1 |
| H. A. (Hiram Alfred) Cody | 1872–1948 | 7 |
| Sherwin Cody | 1868–1959 | 2 |
| Henrique Coelho Netto | 1864–1934 | 1 |
| Adolfo Coelho | 1847–1919 | 1 |
| J. M. Latino (José Maria Latino) Coelho | 1825–1891 | 1 |
| Trindade Coelho | 1861–1908 | 1 |
| Amory Coffin | 1813–1884 | 1 |
| Charles Carleton Coffin | 1823–1896 | 1 |
| Henry Sloane Coffin | 1877–1954 | 1 |
| Joshua Coffin | 1792–1864 | 1 |
| Grégoire-Gaspard-Félix Coffinières de Nordeck | 1811–1887 | 1 |
| Coghill, Harry, Mrs. | 1836–1907 | 3 |
| Chapman Cohen | 1868–1954 | 1 |
| Josef Cohen | 1886–1965 | 1 |
| Octavus Roy Cohen | 1891–1959 | 1 |
| Ralph Cohen | 1917–2016 | 1 |
| Reuben Cohen | 1895–1981 | 1 |
| Henry J. (Henry John) Coke | 1827–1916 | 1 |
| Elizabeth Colborne | 1885–1948 | 1 |
| Grace Isabel Colbron | 1869–1943 | 5 |
| Charles W. (Charles William) Colby | 1867–1955 | 2 |
| Homer Wayland Colby | 1874–1950 | 1 |
| Colchester, Reginald Charles Edward Abbot, 3d Baron | 1842–1919 | 1 |
| Annie T. (Annie Toomer) Colcock | 1871–1923 | 1 |
| Joanna C. (Joanna Carver) Colcord | 1882–1960 | 1 |
| Lincoln Colcord | 1883–1947 | — |
| Everett B. Cole | 1910–2001 | 6 |
| Fay-Cooper Cole | 1881–1961 | 4 |
| Herbert Cole | 1867–1930 | 1 |
| J. P. (James Perry) Cole | 1889–1977 | 1 |
| Lawrence Thomas Cole | 1869–1955 | 1 |
| Les Cole | 1926–2019 | 1 |
| Mabel Cook Cole | 1880–1978 | 1 |
| Mary Cole | 1853–1940 | 1 |
| Coleman, Chapman, Mrs. | 1813–1891 | 4 |
| Ralph P. (Ralph Pallen) Coleman | 1892–1968 | 4 |
| Paul R. (Paul Robinson) Coleman-Norton | 1898–1971 | 1 |
| Ernest Hartley Coleridge | 1846–1920 | 6 |
| Henry Nelson Coleridge | 1798–1843 | 5 |
| Samuel Taylor Coleridge | 1772–1834 | 17 |
| Stephen Coleridge | 1854–1936 | 2 |
| Louise Colet | 1810–1876 | 1 |
| Colette | 1873–1954 | 3 |
| Herbert Brayley Collett | 1877–1947 | 1 |
| Ada Langworthy Collier | 1843–1919 | 1 |
| Price Collier | 1860–1913 | 1 |
| J. (Josef) Collin | 1864–1942 | 1 |
| George Collingridge | 1847–1931 | 1 |
| Harry Collingwood | 1851–1922 | 30 |
| Stuart Dodgson Collingwood | 1870–1937 | 1 |
| W. G. (William Gershom) Collingwood | 1854–1932 | 2 |
| A. Frederick (Archie Frederick) Collins | 1869–1952 | 2 |
| Charles Allston Collins | 1828–1873 | 1 |
| Daniel Collins | 1801–1885 | 1 |
| David Collins | 1756–1810 | 2 |
| F. B. (Florence Belle) Collins | 1867–1921 | 1 |
| J. E. (Joseph Edmund) Collins | 1855–1892 | 3 |