| John MacGillivray | 1822–1867 | 2 |
| Harold MacGrath | 1871–1932 | 15 |
| Alexander Macgregor | 1806–1881 | 1 |
| Mary Esther Miller MacGregor | 1876–1961 | 1 |
| Morris J. MacGregor | born 1931 | 1 |
| William MacGregor | 1846–1919 | 1 |
| Machado de Assis | 1839–1908 | 1 |
| Cirilo Volkmar Machado | 1748–1823 | 1 |
| Agnes Maule Machar | 1837–1927 | 1 |
| Arthur Machen | 1863–1947 | 37 |
| Niccolò Machiavelli | 1469–1527 | 4 |
| J. W. (John William) Mackail | 1859–1945 | 4 |
| Charles Mackay | 1814–1889 | 5 |
| Eric Mackay | 1851–1898 | 1 |
| Isabel Ecclestone Mackay | 1875–1928 | 3 |
| John Henry Mackay | 1864–1933 | 2 |
| Thomas Mackay | 1849–1912 | 1 |
| Percy MacKaye | 1875–1956 | — |
| Steele MacKaye | 1842–1894 | 1 |
| Alexander Mackenzie | 1838–1898 | 2 |
| Compton MacKenzie | 1883–1972 | 1 |
| Donald A. (Donald Alexander) Mackenzie | 1873–1936 | 2 |
| Henry Mackenzie | 1745–1831 | 1 |
| J. B. Mackenzie | 1851–1919 | 1 |
| Albert Gallatin Mackey | 1807–1881 | 2 |
| J. Milton (John Milton) Mackie | 1813–1894 | 1 |
| John Mackie | 1862–1939 | 1 |
| Alexander Maclaren | 1826–1910 | 16 |
| Ian Maclaren | 1850–1907 | 11 |
| J. P. (John Patterson) MacLean | 1848–1939 | 1 |
| John MacLean | 1851–1928 | 1 |
| Norman Macleod | 1812–1872 | 2 |
| Hugh Macmillan | 1833–1903 | 1 |
| S. (Sarah) Macnaughtan | 1864–1916 | 2 |
| Willard C. (Willard Carey) MacNaul | born 1864 | 1 |
| Francis Augustus MacNutt | 1863–1927 | 2 |
| Ben Macomber | born 1876 | 1 |
| Andrew Macphail | 1864–1938 | 1 |
| James Macpherson | 1736–1796 | 1 |
| James MacQueen | 1778–1870 | 1 |
| David MacRitchie | 1851–1925 | 1 |
| Terence J. (Terence Joseph) MacSwiney | 1879–1920 | 1 |
| Jesse Macy | 1842–1919 | 1 |
| John Albert Macy | 1877–1932 | 1 |
| Jean Macé | 1815–1894 | 2 |
| James Madison | 1751–1836 | 3 |
| Maurice Maeterlinck | 1862–1949 | 11 |
| Charles Donagh Maginnis | 1867–1955 | 1 |
| Magnay, William, Sir | 1855–1917 | 1 |
| Ralph Van Deman Magoffin | 1874–1942 | 1 |
| Julia Magruder | 1854–1907 | 1 |
| A. T. (Alfred Thayer) Mahan | 1840–1914 | 11 |
| William H. Maher | 1846–1913 | 1 |
| Frank P. Mahony | 1862–1916 | 1 |
| J. W. (John Wilmot) Mahood | 1864–1955 | 1 |
| Louis Maigron | 1866–1954 | 1 |
| Maine, Henry Sumner, Sir | 1822–1888 | 1 |
| R. Henry (Robert Henry) Mainer | 1878–1965 | 1 |
| Arthur Edward Mainwaring | born 1864 | 1 |
| Charles Mair | 1838–1927 | 3 |
| G. H. (George Herbert) Mair | 1887–1926 | 1 |
| Ethel Mairet | 1872–1952 | 1 |
| Xavier de Maistre | 1763–1852 | 1 |
| Charles Major | 1856–1913 | 4 |
| George Henry Makins | born 1853 | 1 |
| César Malan | 1787–1864 | 1 |
| Lucas Malet | 1852–1931 | 3 |
| Agostinho Marques Perdigão Malheiro | 1824–1881 | 1 |
| Alexander Verner Teodor Malinen | 1863–1937 | 1 |
| Stéphane Mallarmé | 1842–1898 | 2 |
| Garrick Mallery | 1831–1894 | 1 |
| F. A. (Frederick Amadeus) Malleson | 1819–1897 | 1 |
| Mathilda Malling | 1864–1942 | 1 |
| W. H. (William Hurrell) Mallock | 1849–1923 | 3 |
| Aino Malmberg | 1865–1933 | 4 |
| Hector Malot | 1830–1907 | 19 |
| T. R. (Thomas Robert) Malthus | 1766–1834 | 4 |
| Bernard Mandeville | 1670–1733 | 1 |
| Édouard Manet | 1832–1883 | 1 |
| M. M. (Mangasar Mugurditch) Mangasarian | 1859–1943 | 1 |