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- MacKay, William Alexander (1, 1842 to 1905)
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- Mott, Abigail (1, 1766 to 1851)
- Mott, Frederick Walker (1, 1853 to 1926)
- Mouhot, Henri (1, 1826 to 1861)
- Moule, Handley Carr Glyn (4, 1841 to 1920)
- Mountfort, William (1, 1664 to 1692)
- Mouritz, A. (1, 1861 to 1943)
- Mowat, Robert Balmain (2, 1883 to 1941)
- Mowatt Ritchie, Anna Cora (11, 1819 to 1870)
- Mowbray, Jay Henry (1, 1869 to 1955)
- Mozart, Wolfgang Amadeus (2, 1756 to 1791)
- Muddock, Joyce Emmerson (2, 1843 to 1934)
- Mudge, Zachariah Atwell (1, 1813 to 1888)
- Mudgett, Herman W. (1, 1861 to 1896)
- Mueller, Robert (1, 1944)
- Mühlbach, Luise (1, 1814 to 1873)
- Mühsam, Erich (2, 1878 to 1934)
- Muir, M. M. Pattison (1, 1848 to 1931)
- Muir, Ward (1, 1878 to 1927)
- Muir, John (13, 1838 to 1914)
- Mukerji, Dhan Gopal (4, 1890 to 1936)
- Mulets, Lenore Elizabeth (2, 1877 to 1921)
- Mulford, Prentice (2, 1834 to 1891)
- Mulford, Clarence Edward (2, 1883 to 1956)
- Mulholland, Rosa (2, 1841 to 1921)
- Müller, Michael (1, 1825 to 1899)
- Multatuli (4, 1820 to 1887)
- Munday, Anthony (1, 1560? to 1633)
- Mundell, Frank (11, 1870 to 1932)
- Mundy, Francis Noel Clarke (1, 1739 to 1815)
- Mundy, Talbot (1, 1879 to 1940)
- Munk, Joseph (1, 1847 to 1927)
- Munn, Charles Clark (1, 1848 to 1917)
- Muñoz Marín, Luis (1, 1898 to 1980)
- Muñoz Seca, Pedro (1, 1879 to 1936)
- Munro, William Bennett (2, 1875 to 1957)
- Munro, Dana Carleton (1, 1866 to 1933)
- Munro, George (1, 1839? to 1898)
- Munro, John (1, 1849 to 1930)
- Munro, Neil (2, 1863 to 1930)
- Munroe, Kirk (3, 1850 to 1930)
- Munsell, Albert Henry (1, 1858 to 1918)
- Münsterberg, Hugo (2, 1863 to 1916)
- Murai, Gensai (1, 1864 to 1927)
- Murger, Henri (1, 1832 to 1861)
- Murphy, Claudia Quigley (2, 1863 to 1941)
- Murphy, Emily (1, 1868 to 1933)
- Murphy, Thomas Dowler (1, 1866 to 1928)
- Murray, Gilbert (1, 1866 to 1957)
- Murray, Andrew (23, 1828 to 1917)
- Murray, Flora (1, 1869 to 1923)
- Murray, George (1, 1830 to 1910)
- Murray, John (1, 1841 to 1914)
- Murray, Robert F. (8, 1863 to 1894)
- Murray, William Henry Harrison (3, 1840 to 1904)
- Murrey, Thomas J. (1, fl.1888)
- Murry, John Middleton (2, 1889 to 1957)
- Musäus, Johann Karl August (2, 1735 to 1787)
- Musgrove, Charles Hamilton (3, 1871 to 1926)
- Musick, John R. (1, 1849 to 1901)
- Musil, Robert (1, 1880 to 1942)
- Musset, Alfred de (1, 1810 to 1857)
- Mussolini, Benito (1, 1883 to 1945)
- Mutzenberg, Charles G. (1, 1863)
- Myers, Gustavus (1, 1872 to 1942)
- Myers, Jane Pentzer (1, 1852 to 1917)