| Richard Middleton | 1882–1911 | 1 |
| Eduardo de Mier | 1829–1914 | 1 |
| Charles Christopher Mierow | born 1883 | 1 |
| Philip Verrill Mighels | 1869–1911 | 3 |
| J.-P. (Jacques-Paul) Migne | 1800–1875 | 1 |
| M. (François-Auguste-Marie-Alexis) Mignet | 1796–1884 | 2 |
| Cedomilj Mijatovic | 1842–1932 | 1 |
| Rosa Mary Redding Mikels | born 1862 | 1 |
| Kálmán Mikszáth | 1847–1910 | 1 |
| Alfred H. (Alfred Henry) Miles | 1848–1929 | 2 |
| Dudley H. (Dudley Howe) Miles | born 1881 | 1 |
| George H. (George Henry) Miles | 1824–1871 | 1 |
| John Stuart Mill | 1806–1873 | 6 |
| H. R. (Harold Robert) Millar | 1869–1942 | 4 |
| Edna St. Vincent Millay | 1892–1950 | 5 |
| Pierre Mille | 1864–1941 | — |
| Alice Duer Miller | 1874–1942 | 5 |
| Claude Harris Miller | born 1875 | 1 |
| Edward Miller | 1825–1901 | 1 |
| Edwin L. (Edwin Lillie) Miller | 1868–1934 | 1 |
| Elizabeth Miller | 1878–1961 | 2 |
| Francis Trevelyan Miller | 1877–1959 | 3 |
| Freeman Edwin Miller | 1864–1951 | 1 |
| Gustavus Hindman Miller | 1857–1929 | 1 |
| Henry Russell Miller | 1880–1955 | 1 |
| J. R. (James Russell) Miller | 1840–1912 | 2 |
| Joaquin Miller | 1837–1913 | 3 |
| John Miller | 1861–1917 | 1 |
| Kelly Miller | 1863–1939 | 1 |
| Leo E. (Leo Edward) Miller | 1887–1952 | 1 |
| Marion Mills Miller | 1864–1949 | 2 |
| Olive Thorne Miller | 1831–1918 | 1 |
| Sophie Antoinette Miller | born 1865 | 1 |
| W. G. (Wesson Gage) Miller | 1822–1894 | 1 |
| Francis Davis Millet | 1846–1912 | 1 |
| George Milligan | 1860–1934 | 1 |
| Arthur Wallis Mills | 1878–1940 | 1 |
| Wesley Mills | 1847–1915 | 1 |
| Henry Hart Milman | 1791–1868 | 14 |
| A. A. (Alan Alexander) Milne | 1882–1956 | 12 |
| James Milne | 1865–1951 | 2 |
| Milner, Alfred Milner, Viscount | 1854–1925 | 1 |
| Archie Seldon Milton | born 1887 | 1 |
| John Milton | 1608–1674 | 8 |
| Edwin Mims | 1872–1959 | 1 |
| Cosmos Mindeleff | born 1863 | 6 |
| Victor Mindeleff | 1860–1948 | 2 |
| William Minto | 1845–1893 | 1 |
| Ugo Mioni | 1870–1935 | 1 |
| active Mir Amman Dihlavi | 1801–1806 | 1 |
| Octave Mirbeau | 1848–1917 | 1 |
| Léon Mirman | 1865–1949 | 1 |
| Frédéric Mistral | 1830–1914 | 1 |
| Alexander F. (Alexander Ferrier) Mitchell | 1822–1899 | 1 |
| Donald Grant Mitchell | 1822–1908 | 1 |
| Edmund Mitchell | 1861–1917 | 1 |
| Edward Page Mitchell | 1852–1927 | 1 |
| George Mitchell | 1873–1967 | 1 |
| J. Murray (John Murray) Mitchell | 1815–1904 | 1 |
| John Ames Mitchell | 1845–1918 | 2 |
| John K. (John Kearsley) Mitchell | 1859–1917 | 1 |
| Langdon Elwyn Mitchell | 1862–1935 | 1 |
| Lebbeus Mitchell | 1879–1963 | 1 |
| Maria Mitchell | 1818–1889 | 1 |
| Mitchell, P. Chalmers (Peter Chalmers), Sir | 1864–1945 | 1 |
| Ruth Comfort Mitchell | 1882–1954 | 2 |
| S. Weir (Silas Weir) Mitchell | 1829–1914 | 7 |
| T. L. (Thomas Livingstone) Mitchell | 1792–1855 | 3 |
| Mary Russell Mitford | 1787–1855 | 14 |
| Siddha Mohana Mitra | 1856–1925 | 1 |
| David Mitrany | 1888–1975 | 1 |
| Dmitrii Isidorovich Mitrokhin | 1883–1973 | 1 |
| Magnus Gustaf Mittag-Leffler | 1846–1927 | 1 |
| G. E. (Geraldine Edith) Mitton | 1868–1955 | 7 |
| St. George Jackson Mivart | 1827–1900 | 1 |
| Cläre Greverus Mjöen | 1874–1963 | 1 |
| A. F. (Augustus Ferryman) Mockler-Ferryman | 1856–1930 | 1 |
| Jørgen Engebretsen Moe | 1813–1882 | 2 |
| Philip Moeller | 1880–1958 | 1 |
| Wies Moens | 1898–1982 | 1 |