| Macdonald, A. T. (19c) [4] |
| Macdonald, Colin (19c) [2] |
| MacDonald, Sarah (1968-) [5] |
| Macfarlane, John Henry (1826-1916) [1] |
| MacFarren, George Alexander (1813-1887) [396] |
| Macfarren, Walter Cecil (1826-1905) [6] |
| Mackenzie, Alexander Campbell (1847-1935) [7] |
| MacPherson, Charles (1870-1927) [37] |
| Macpherson, George Wilson (1856-1924) [1] |
| Maine, Henry de la (1781-1796) [3] |
| Major, Douglas (1953-) [2] |
| Mann, Arthur Henry (1850-1929) [99] |
| Mann, J. D. (19c) [7] |
| Manners-Sutton, Thomas (1756-1842) [3] |
| Manningham, Thomas (1651-1722) [1] |
| Manser, P. (20c) [2] |
| Mansfield, Daniel [2] |
| Mansfield, Orlando Augustine (1863-1936) [3] |
| Manwell, G. (19c) [1] |
| Marchant, Stanley Robert (1883-1949) [10] |
| Mariott, ? [1] |
| Markham, James (20c.) [1] |
| Marks, James Christopher (1835-1903) [10] |
| Marks, Thomas Osborne (1845-1916) [1] |
| Marland, Peter [pseudonym only] |
| Marlow, Richard Kenneth (1939-2013) [165] |
| Marsh, Edward G. N. (1966-) [9] |
| Marsh, John (1752-1828) [56] |
| Marsh, William (1757-1818) [57] |
| Marshall, (Joseph) Philip (1921-2005) [17] |
| Marshall, William (1806-1875) [26] |
| Martin, () [1] |
| Martin, George (1791-1860) [1] |
| Martin, George Clement (1844-1916) [169] |
| Martin, George William (1828-1881) [16] |
| Martin, John C. (1987-) [4] |
| Martin, Judy (20-21c) [1] |
| Martin, Matthew (1976-) [2] |
| Martin, R. A. (??-1867) [2] |
| Martin, William Bentham (1848-??) [3] |
| Mason, Lowell (1792-1872) [183] |
| Massey Dawson, G.H.E. (19c) [2] |
| Massey, Richard (1798-1883) [35] |
| Mather, Rodney [1] |
| Mather, William (1756-1808) [3] |
| Matthews, B. (19c) [1] |
| Matthews, James (b.1871-a.1918) [4] |
| Matthews, Samuel (1796-1832) [61] |
| Matthews, Timothy Richard (1826-1910) [19] |
| Maunder, John Henry (1858-1920) [8] |
| Maurice, Peter (1803-1878) [9] |
| Maurice, Rowan [1] |
| Maw, David [5] |
| Maxfield, William Henry (1849-1936) [4] |
| Maxim, Christopher (20-21c) [10] |
| Maxson, Steven (20c.) [4] |
| May, Charles John (1871-1945) [1] |
| Maybrick, Michael (1799-1846) [15] |
| Maybrook, - [pseudonym only] |