| Anna Bonus Kingsford | 1846–1888 | 1 |
| Charles Kingsley | 1819–1875 | 45 |
| Florence Morse Kingsley | 1859–1937 | 1 |
| Frances Eliza Grenfell Kingsley | 1814–1891 | 2 |
| Henry Kingsley | 1830–1876 | 2 |
| Mary Henrietta Kingsley | 1862–1900 | 1 |
| Agnes Kinloch Kingston | 1823–1913 | 2 |
| William Henry Giles Kingston | 1814–1880 | 113 |
| Thomas L. Kinkead | 1855–1905 | 2 |
| J. R. (John R.) Kinnear | 1842–1912 | 1 |
| Margaret West Kinney | 1872–1952 | 3 |
| Troy Kinney | 1871–1938 | 3 |
| Kinzie, John H., Mrs. | 1806–1870 | 1 |
| Rudyard Kipling | 1865–1936 | 44 |
| Andrew Kippis | 1725–1795 | 1 |
| W. F. (William Forsell) Kirby | 1844–1912 | 2 |
| William Kirby | 1817–1906 | 1 |
| Dolly Williams Kirk | 1863–1941 | 1 |
| John Kirk | 1813–1886 | 1 |
| John Foster Kirk | 1824–1904 | 5 |
| Maria Louise Kirk | 1860–1938 | 3 |
| William Frederick Kirk | 1877–1927 | 1 |
| Caroline M. (Caroline Matilda) Kirkland | 1801–1864 | — |
| Edith Brown Kirkwood | 1875–1954 | 1 |
| John Copeland Kirtland | 1870–1951 | 1 |
| Arthur Kitson | 1848–1915 | 1 |
| Harry Dexter Kitson | 1886–1959 | 1 |
| Aleksis Kivi | 1834–1872 | 9 |
| Klabund | 1890–1928 | 1 |
| Charles Klein | 1867–1915 | 3 |
| Felix Klein | 1849–1925 | 1 |
| Sydney T. (Sydney Turner) Klein | 1853–1934 | 1 |
| Grenville Kleiser | 1868–1953 | 11 |
| Heinrich von Kleist | 1777–1811 | 6 |
| Flora Klickmann | 1867–1958 | 1 |
| John J. Kliewer | 1859–1937 | 1 |
| A. S. Kline | born 1947 | 1 |
| John Kline | 1797–1864 | 1 |
| Friedrich Maximilian Klinger | 1752–1831 | 1 |
| Tristan Klingsor | 1874–1966 | 1 |
| Jacob Klinkhamer | 1738–1817 | 1 |
| Willem Kloos | 1859–1938 | 1 |
| Jeanne Kloos-Reyneke van Stuwe | 1874–1951 | 1 |
| Louis Klopsch | 1852–1910 | 1 |
| Friedrich Gottlieb Klopstock | 1724–1803 | 1 |
| Samuel L. (Samuel Lorenzo) Knapp | 1783–1838 | 1 |
| Shepherd Knapp | 1873–1946 | 3 |
| William I. (William Ireland) Knapp | 1835–1908 | 1 |
| Abner Kneeland | 1774–1844 | 1 |
| Gertrude Knevels | 1881–1962 | 1 |
| Henry Herbert Knibbs | 1874–1945 | 5 |
| Harry Anable Kniffin | 1876–1939 | — |
| Damon Knight | 1922–2002 | 1 |
| Joseph Knight | born 1845 | 1 |
| Melvin M. (Melvin Moses) Knight | 1887–1981 | 1 |
| William Allen Knight | 1863–1957 | 1 |
| William Angus Knight | 1836–1916 | 3 |
| Frederic Lawrence Knowles | 1869–1905 | 2 |
| James Knowles | 1811–1886 | 1 |
| James Sheridan Knowles | 1784–1862 | 2 |
| Knowles, James, Sir | 1831–1908 | 1 |
| Matilda Darroch Knowles | 1811–1886 | 1 |
| Robert E. (Robert Edward) Knowles | 1868–1946 | 1 |
| Thomas Wallace Knox | 1835–1896 | 3 |
| Gustav Kobbé | 1857–1918 | 2 |
| Paul de Kock | 1793–1871 | — |
| W. H. (William Henry) Koebel | 1872–1923 | 1 |
| Marie Koenen | 1879–1959 | 1 |
| W. H. D. (William Henry Dethlef) Koerner | 1878–1938 | 1 |
| Edith Eudora Kohl | born 1884 | 1 |
| Johann Georg Kohl | 1808–1878 | 1 |
| Lydia Koidula | 1843–1886 | 1 |
| E. L. (Ellsworth Leonardson) Kolb | born 1876 | 1 |
| Leopold Kompert | 1822–1886 | 2 |
| Manuel Komroff | 1890–1974 | — |
| Paul Konewka | 1840–1871 | 1 |
| Pingzhong Kong | 1044–1111 | 1 |
| Shangren Kong | 1648–1718 | 1 |
| Paul G. (Paul George) Konody | 1872–1933 | 1 |
| Harry Lyman Koopman | 1860–1937 | 1 |