| Reuben Post Halleck | 1859–1936 | 2 |
| Richard Matthews Hallet | 1887–1967 | — |
| Cecil Walter Charles Hallett | born 1868 | 1 |
| Emma V. Hallett | 1832–1908 | 1 |
| Andrew Halliday | 1830–1877 | 1 |
| J. O. (James Orchard) Halliwell-Phillipps | 1820–1889 | 2 |
| Ruth Mary Hallock | 1876–1945 | 1 |
| James Mott Hallowell | born 1865 | 1 |
| Sarah C. Hallowell | 1833–1914 | 1 |
| William Formby Halsall | 1841–1919 | — |
| Francis W. (Francis Whiting) Halsey | 1851–1919 | 18 |
| Murat Halstead | 1829–1908 | 1 |
| Ludovic Halévy | 1834–1908 | 6 |
| Sami Khalaf Hamarneh | born 1925 | 1 |
| Jay Hambidge | 1867–1924 | 2 |
| Henry Thomas Hamblin | 1873–1958 | 1 |
| William H. (William Henry) Hamby | 1876–1928 | 1 |
| Ernest Hamel | 1826–1898 | 1 |
| Hendrik Hamel | 1630–1692 | 1 |
| Philip Gilbert Hamerton | 1834–1894 | 1 |
| Alexander Hamilton | 1757–1804 | 2 |
| Clayton Meeker Hamilton | 1881–1946 | 1 |
| Edmond Hamilton | 1904–1977 | 1 |
| Hamilton, Frederic, Lord | 1856–1928 | 2 |
| Frederick W. (Frederick William) Hamilton | 1860–1940 | 4 |
| Gail Hamilton | 1833–1896 | 1 |
| Ian Hamilton | 1853–1947 | 2 |
| James Hamilton | 1814–1867 | 1 |
| J. A. (John Alexander) Hammerton | 1871–1949 | 16 |
| Natalie Harris Hammond | 1861–1931 | 1 |
| S. H. (Samuel H.) Hammond | 1809–1878 | 1 |
| William A. (William Alexander) Hammond | 1828–1900 | 1 |
| Knut Hamsun | 1859–1952 | 7 |
| H. Irving (Harrie Irving) Hancock | 1868–1922 | 29 |
| Henry E. (Henry Ebenezer) Handerson | 1837–1918 | 1 |
| John Louis Haney | 1877–1960 | 2 |
| Donald Hankey | 1884–1916 | 1 |
| Arthur Preston Hankins | 1880–1932 | 1 |
| Hanmer, Thomas, Sir | 1677–1746 | 1 |
| James Hannay | 1842–1910 | 1 |
| Pietari Hannikainen | 1813–1899 | 3 |
| Marcus Lee Hansen | 1892–1938 | 1 |
| Thomas W. Hanshew | 1857–1914 | 2 |
| Isabel Florence Hapgood | 1850–1928 | 10 |
| Theodore B. (Theodore Brown) Hapgood | born 1871 | 1 |
| W. H. (William Heyser) Harbaugh | 1856–1897 | 1 |
| Will N. (Will Nathaniel) Harben | 1858–1919 | 4 |
| Jennie Harbour | 1893–1959 | 1 |
| Charles Martin Hardie | 1858–1916 | 1 |
| Charlotte Harding | 1873–1951 | 2 |
| Warren G. (Warren Gamaliel) Harding | 1865–1923 | 1 |
| Arthur Sherburne Hardy | 1847–1930 | 1 |
| E. Stuart Hardy | 1865–1935 | 2 |
| Paul Hardy | 1862–1942 | 1 |
| Thomas Hardy | 1840–1928 | 31 |
| Augustus J. C. (Augustus John Cuthbert) Hare | 1834–1903 | 2 |
| James H. Hare | 1856–1946 | 1 |
| Walter Ben Hare | 1880–1950 | 1 |
| William Loftus Hare | 1868–1943 | 1 |
| John Hargrave | 1894–1982 | 1 |
| Clarence Henry Haring | 1885–1960 | 1 |
| L. Allen (Lizzie Allen) Harker | 1863–1933 | 1 |
| Henry Harland | 1861–1905 | 4 |
| Marion Harland | 1830–1922 | 5 |
| George Harley | 1829–1896 | 1 |
| Jim Harmon | 1933–2010 | 2 |
| Adolf von Harnack | 1851–1930 | 2 |
| Charles L. Harness | 1915–2005 | 1 |
| Frances Ellen Watkins Harper | 1825–1911 | 5 |
| George McLean Harper | 1863–1947 | 1 |
| Henry Howard Harper | 1871–1953 | 1 |
| Ida Husted Harper | 1851–1931 | 1 |
| Samuel N. (Samuel Northrup) Harper | 1882–1943 | 1 |
| Beatrice Harraden | 1864–1936 | 4 |
| James Harrington | 1611–1677 | 1 |
| Thomas Harriot | 1560–1621 | 1 |
| Harris, Augustus, Sir | 1852–1896 | 1 |
| Corra Harris | 1869–1935 | 1 |
| Frank Harris | 1856–1931 | 10 |
| J. W. (John William) Harris | born 1849 | 1 |