| A. G. (Andrew George) Little | 1863–1945 | 1 |
| Frances Little | 1863–1941 | 5 |
| Emile Littré | 1801–1881 | 1 |
| E Liu | 1857–1909 | 2 |
| Ji Liu | 1311–1375 | 1 |
| Liu, Su, active | 806–820 | 1 |
| Xu Liu | 887–946 | 1 |
| Yiqing Liu | 403–444 | 1 |
| Edward Livermore | born 1821 | 1 |
| Arthur Livingston | 1883–1944 | 1 |
| Livingston, C. M., Mrs. | 1832–1924 | 1 |
| David Livingstone | 1813–1873 | 4 |
| Livingstone, Richard Winn, Sir | 1880–1960 | 1 |
| W. P. (William Pringle) Livingstone | 1864–1950 | 1 |
| C. G. (Curtis Gates) Lloyd | 1859–1926 | 1 |
| Nelson Lloyd | 1873–1933 | 2 |
| H. O. (Henry Osmond) Lock | born 1879 | 1 |
| David Ross Locke | 1833–1888 | 1 |
| John Locke | 1632–1704 | 3 |
| William John Locke | 1863–1930 | 10 |
| Arthur Locker | 1828–1893 | 1 |
| Hattie Greene Lockett | 1880–1962 | 1 |
| Caroline Lockhart | 1870–1962 | 4 |
| J. G. (John Gibson) Lockhart | 1794–1854 | 3 |
| Lockwood, Frank, Sir | 1846–1897 | 1 |
| Lewis C. (Lewis Conger) Lockwood | 1815–1904 | 1 |
| Henry Cabot Lodge | 1850–1924 | 13 |
| W. J. (William John) Loftie | 1839–1911 | 1 |
| Hugh Lofting | 1886–1947 | 2 |
| John Alexander Logan | 1826–1886 | 8 |
| Gonne Loman-van Uildriks | 1863–1921 | 1 |
| E. L. (Edward Lloyd) Lomax | 1852–1916 | 1 |
| John Avery Lomax | 1867–1948 | 2 |
| Jack London | 1876–1916 | 52 |
| Frank Belknap Long | 1903–1994 | 2 |
| George Long | 1800–1879 | 6 |
| H. W. (Harland William) Long | 1869–1943 | 1 |
| William J. (William Joseph) Long | 1867–1952 | 9 |
| Henry Wadsworth Longfellow | 1807–1882 | 15 |
| Thomas Longueville | 1844–1922 | 1 |
| George Looms | 1886–1926 | 1 |
| J. Simões (João Simões) Lopes Neto | 1865–1916 | 1 |
| Afonso Lopes Vieira | 1878–1946 | 1 |
| Pantaleón S. Lopez | 1872–1912 | 1 |
| P. (Paul) Lorain | 1799–1861 | 2 |
| Frances E. (Frances Ellen) Lord | born 1835 | 1 |
| John Lord | 1810–1894 | 18 |
| František Vladimír Lorenc | 1872–1957 | 1 |
| H. A. (Hendrik Antoon) Lorentz | 1853–1928 | 1 |
| Edmund S. (Edmund Simon) Lorenz | 1854–1942 | 1 |
| George Horace Lorimer | 1869–1937 | 3 |
| Norma Lorimer | 1864–1948 | 1 |
| Benson John Lossing | 1813–1891 | 2 |
| Pierre Loti | 1850–1923 | 19 |
| Augustin-Martin Lottin | 1726–1793 | 1 |
| Charles Louandre | 1812–1882 | 1 |
| J. F. (Joseph Florimond) Loubat | 1831–1927 | 1 |
| Eugène Loudun | 1818–1898 | 1 |
| Thomas Raynesford Lounsbury | 1838–1915 | 1 |
| Ossip Lourié | 1868–1955 | 1 |
| Pieter Louwerse | 1840–1909 | 2 |
| Pierre Louÿs | 1870–1925 | 1 |
| Nat Love | 1854–1921 | 1 |
| Richard Lovelace | 1618–1658 | 1 |
| Samuel Lover | 1797–1868 | 3 |
| E. A. (Elias Avery) Lowe | 1879–1969 | 1 |
| Samuel E. (Samuel Edward) Lowe | 1890–1952 | 2 |
| Amy Lowell | 1874–1925 | 4 |
| Edward J. (Edward Jackson) Lowell | 1845–1894 | 1 |
| James Russell Lowell | 1819–1891 | 11 |
| Orson Lowell | 1871–1956 | 9 |
| Percival Lowell | 1855–1916 | 2 |
| Marie Belloc Lowndes | 1868–1947 | 7 |
| Robert A. W. (Robert Augustine Ward) Lowndes | 1916–1998 | 2 |
| E. B. (Edith Belle) Lowry | 1878–1945 | 2 |
| Loyd, Mary, Lady | 1853–1936 | 3 |
| Pedro Lozano | 1697–1752 | 1 |
| Fredric B. Lozo | born 1941 | 1 |
| Xixing Lu | 1520–1606 | 1 |
| Xun Lu | 1881–1936 | 8 |