| Caroline Elliott Hoogs Jacobs | 1835–1916 | 2 |
| Caroline Emilia Jacobs | 1872–1909 | 2 |
| Charles M. (Charles Mattathias) Jacobs | 1850–1919 | 1 |
| Emilie Van Beil Jacobs | born 1875 | 1 |
| Harriet A. (Harriet Ann) Jacobs | 1813–1897 | 1 |
| Joseph Jacobs | 1854–1916 | 9 |
| W. W. (William Wymark) Jacobs | 1863–1943 | 110 |
| J. P. (Jens Peter) Jacobsen | 1847–1885 | 1 |
| Bettina Jacobson | 1841–1922 | — |
| Jacobus, de Cessolis, active | 1288–1322 | 1 |
| Jules-Ferdinand Jacquemart | 1837–1880 | 1 |
| Mainwaring George Jacson | 1859–1915 | 1 |
| Fedor Jagor | 1816–1900 | 1 |
| Otto Jahn | 1813–1869 | 1 |
| Evald Ferdinand Jahnsson | 1844–1895 | 6 |
| Antti Jalava | 1846–1909 | 2 |
| Edmond Jaloux | 1878–1949 | 1 |
| King of England James I | 1566–1625 | 2 |
| Bartlett Burleigh James | 1867–1953 | 1 |
| George Wharton James | 1858–1923 | 5 |
| H. R. (Henry Rosher) James | 1862–1931 | 1 |
| Helen M. (Helen Mary) James | 1863–1900 | 1 |
| Henry James | 1843–1916 | 68 |
| James Alton James | 1864–1962 | 1 |
| Juliet Helena Lumbard James | born 1864 | 2 |
| Lionel James | 1871–1955 | 1 |
| M. R. (Montague Rhodes) James | 1862–1936 | 5 |
| Rajah of Sarawak James | 1803–1868 | 1 |
| William James | 1842–1910 | 6 |
| William Dobein James | 1764–1830 | 1 |
| Helen Follett Jameson | born 1873 | 1 |
| J. Franklin (John Franklin) Jameson | 1859–1937 | 4 |
| Mrs. (Anna) Jameson | 1794–1860 | 3 |
| Jami | 1414–1492 | 1 |
| T. H. (Thomas Hill) Jamieson | 1843–1876 | 1 |
| Francis Jammes | 1868–1938 | 1 |
| Don Carlos Janes | 1877–1944 | 1 |
| Laurence M. Janifer | 1933–2002 | 9 |
| Jules Gabriel Janin | 1804–1874 | 1 |
| S. (Samuel) Jankélévitch | 1869–1951 | 1 |
| Kristofer Janson | 1841–1917 | 4 |
| Thomas A. (Thomas Allibone) Janvier | 1849–1913 | 11 |
| baron de Janzé | 1822–1892 | 1 |
| Nicolaas Japikse | 1872–1944 | 1 |
| Alexander H. (Alexander Hay) Japp | 1839–1905 | 3 |
| Émile Jaques-Dalcroze | 1865–1950 | 1 |
| Gabriel Louis Jaray | 1878–1954 | 1 |
| Frank Lascelles Jardine | 1841–1919 | 1 |
| Bede Jarrett | 1881–1934 | 1 |
| Jarro | 1849–1915 | 1 |
| Alfred Jarry | 1873–1907 | 1 |
| Joseph Jastrow | 1863–1944 | 1 |
| Morris Jastrow | 1861–1921 | 2 |
| John Jay | 1745–1829 | 2 |
| Jean Paul | 1763–1825 | 1 |
| J. Stephen (James Stephen) Jeans | 1846–1913 | 1 |
| Richard Jefferies | 1848–1887 | 11 |
| B. G. (Benjamin Grant) Jefferis | born 1851 | 2 |
| Thomas Jefferson | 1743–1826 | 10 |
| Walter Jeffery | 1861–1922 | 1 |
| John Jellicoe | 1842–1914 | 1 |
| John Rushworth Jellicoe | 1859–1935 | 1 |
| Edward Jenkins | 1838–1910 | 1 |
| Herbert George Jenkins | 1876–1923 | 1 |
| John Jenkins | 1821–1896 | 1 |
| Albert Ernest Jenks | 1869–1953 | 1 |
| Jeremiah Whipple Jenks | 1856–1929 | 1 |
| Theodora R. (Theodora Robinson) Jenness | born 1847 | 1 |
| James Jennings | 1772–1833 | 1 |
| Robert Jennings | 1824–1893 | 1 |
| William Jennings | 1847–1927 | — |
| Edgar Jepson | 1863–1938 | 5 |
| Jerningham, Hubert E. H. (Hubert Edward Henry), Sir | 1842–1914 | 1 |
| Chauncey Jerome | 1793–1868 | 1 |
| Jerome K. (Jerome Klapka) Jerome | 1859–1927 | 31 |
| Blanchard Jerrold | 1826–1884 | 2 |
| Douglas William Jerrold | 1803–1857 | 1 |
| Walter Jerrold | 1865–1929 | 1 |
| F. Tennyson (Fryniwyd Tennyson) Jesse | 1888–1958 | 2 |
| Augustus Jessopp | 1823–1914 | 1 |