| Mary Catherine Judd | 1852–1937 | 1 |
| Clara Ingram Judson | 1879–1960 | 2 |
| Katharine Berry Judson | 1866–1929 | 2 |
| Clément Juglar | 1819–1905 | 1 |
| Julia de Fontenelle (Jean-Sébastien-Eugène) | 1790–1842 | 1 |
| George Washington Julian | 1817–1899 | 1 |
| Jung, Nizamat, Sir | 1871–1955 | 1 |
| Nico Jungmann | 1872–1935 | 1 |
| Abílio Manuel Guerra Junqueiro | 1850–1923 | 7 |
| J. J. (Jean Jules) Jusserand | 1855–1932 | 1 |
| Martin Justice | 1869–1961 | 3 |
| Valter Juva | 1865–1922 | 7 |
| Akseli Järnefelt Rauanheimo | 1871–1932 | 1 |
| Arvid Järnefelt | 1861–1932 | 14 |
| Kaapro Jääskeläinen | 1862–1932 | 4 |
| Mór Jókai | 1825–1904 | 13 |
| Jón Hjaltason | 1839–1883 | 1 |
| Jón Stefánsson | born 1862 | 1 |
| Jón Ólafsson | 1850–1916 | 1 |
| Jónína Sigríður Jónsdóttir | 1884–1963 | 1 |
| Juliusz Kaden-Bandrowski | 1885–1944 | 1 |
| Franz Kafka | 1883–1924 | 8 |
| Eino Kaila | 1890–1958 | 1 |
| Uuno Kailas | 1901–1933 | 1 |
| Jacob Kainen | 1909–2001 | 1 |
| M. G. (Maurice Grenville) Kains | 1868–1946 | 1 |
| Gerrit Kalff | 1856–1923 | 1 |
| Horace Meyer Kallen | 1882–1974 | 1 |
| Stephen A. Kallis | born 1937 | 1 |
| Aristos Kampanis | 1883–1956 | 1 |
| Wassily Kandinsky | 1866–1944 | 1 |
| William T. (William Terence) Kane | 1880–1946 | 1 |
| Réginald Kann | 1876–1925 | 2 |
| Immanuel Kant | 1724–1804 | 7 |
| Vuk Stefanović Karadžić | 1787–1864 | 2 |
| J. K. Kari | 1868–1921 | 1 |
| Yrjö Karilas | 1891–1982 | 1 |
| Arvi Karisto | 1879–1958 | 1 |
| Louis Charles Karpinski | 1878–1956 | 1 |
| Valerian Viliamovich Karrik | 1869–1942 | 1 |
| Gustav Karsten | 1820–1900 | 1 |
| Rudolf Kassner | 1873–1959 | 1 |
| Herbert D. Kastle | 1924–1987 | 1 |
| Väinö Kataja | 1867–1914 | 1 |
| J. J. L. ten (Jan Jakob Lodewijk) Kate | 1819–1889 | 1 |
| Harriet L. Kaucher | 1867–1947 | 1 |
| Richard Kaufmann | 1846–1894 | 1 |
| Kauppis-Heikki | 1862–1920 | 5 |
| Sheila Kaye-Smith | 1887–1956 | 1 |
| Albin de Kazimirski Biberstein | 1808–1887 | 1 |
| Robert Keable | 1887–1927 | 2 |
| H. T. (Hightower Theodore) Kealing | 1860–1918 | — |
| Elfric Leofwin Kearney | 1856–1913 | 1 |
| Thomas Kearns | 1862–1918 | 1 |
| John Keats | 1795–1821 | 4 |
| John Keble | 1792–1866 | 1 |
| Elizabeth Keckley | 1818–1907 | 1 |
| Carl Niclas Keckman | 1793–1838 | 1 |
| Henry F. (Henry Francis) Keenan | 1850–1928 | 1 |
| H. G. (Henry George) Keene | 1825–1915 | 2 |
| Virginia Keep | 1878–1962 | 1 |
| Christian Keferstein | 1784–1866 | 1 |
| Brendan P. Kehoe | 1970–2011 | 1 |
| Joseph Warren Keifer | 1836–1932 | 1 |
| Thomas Keightley | 1789–1872 | 1 |
| Heinrich Keil | 1822–1894 | 1 |
| Albert Keim | 1876–1947 | 1 |
| Clarence Budington Kelland | 1881–1964 | 2 |
| Joseph E. (Joseph Everidge) Kelleam | 1913–1975 | 1 |
| Arthur Ignatius Keller | 1866–1924 | 10 |
| Gerard Keller | 1829–1899 | 2 |
| Gottfried Keller | 1819–1890 | 1 |
| Helen Keller | 1880–1968 | 2 |
| Florence Kelley | 1859–1932 | 1 |
| Francis Clement Kelley | 1870–1948 | 2 |
| J. D. Jerrold (James Douglas Jerrold) Kelley | 1847–1922 | 1 |
| Truman Lee Kelley | 1884–1961 | 1 |
| Alice Maude Kellogg | 1862–1911 | 1 |
| Brainerd Kellogg | 1834–1920 | 2 |
| E. E. (Ella Ervilla) Kellogg | 1853–1920 | 1 |