| Professor Peter Matthews FBA | Year of birth 1932 | Year of death 2021 | Year elected 1985 | Fellowship category UK |
| Professor Robert Matthews CBE, FBA | Year of birth 1927 | Year of death 2010 | Year elected 1968 | Fellowship category UK |
| Mr Harold Mattingly CBE, FBA | Year of birth 1884 | Year of death 1964 | Year elected 1946 | Fellowship category UK |
| Sir Allen Mawer FBA | Year of birth 1879 | Year of death 1942 | Year elected 1930 | Fellowship category UK |
| Mrs Rachel Maxwell-Hyslop FBA | Year of birth 1914 | Year of death 2011 | Year elected 1991 | Fellowship category UK Emeritus |
| Sir Henry Maxwell-Lyte KCB, FBA | Year of birth 1848 | Year of death 1940 | Year elected 1902 | Fellowship category UK |
| Revd Professor John Eyton Bickersteth Mayor FBA | Year of birth 1825 | Year of death 1910 | Year elected 1902 | Fellowship category UK |
| Professor Manfred Mayrhofer FBA | Year of birth 1926 | Year of death 2011 | Year elected 2001 | Fellowship category Corresponding |
| Professor Charles McBurney FBA | Year of birth 1914 | Year of death 1979 | Year elected 1966 | Fellowship category UK |
| Dr Alexander McDonald FBA | Year of birth 1908 | Year of death 1979 | Year elected 1967 | Fellowship category UK |
| Professor Ian McFarlane MBE, FBA | Year of birth 1915 | Year of death 2002 | Year elected 1978 | Fellowship category UK |
| Mr Kenneth McFarlane FBA | Year of birth 1903 | Year of death 1966 | Year elected 1964 | Fellowship category UK |
| Professor Angus McIntosh FBA | Year of birth 1914 | Year of death 2005 | Year elected 1989 | Fellowship category UK |
| Revd Professor William McKane FBA | Year of birth 1921 | Year of death 2004 | Year elected 1980 | Fellowship category UK |
| Professor Donald McKenzie FBA | Year of birth 1931 | Year of death 1999 | Year elected 1986 | Fellowship category UK |
| Dr Ronald Brunlees McKerrow FBA | Year of birth 1872 | Year of death 1940 | Year elected 1932 | Fellowship category UK |