| Professor Hans-Georg Beck FBA | Year of birth 1900 | Year of death 1999 | Year elected 1977 | Fellowship category Corresponding |
| Professor Dr Carl Johan Becker FBA | Year of birth 1900 | Year of death 2001 | Year elected 1975 | Fellowship category Corresponding |
| Professor James Beckford FBA | Year of birth 1942 | Year of death 2022 | Year elected 2004 | Fellowship category UK |
| Professor Charles Beckingham FBA | Year of birth 1914 | Year of death 1998 | Year elected 1983 | Fellowship category UK |
| Mr John Beckwith FBA | Year of birth 1918 | Year of death 1991 | Year elected 1974 | Fellowship category UK |
| Professor John Beer FBA | Year of birth 1926 | Year of death 2017 | Year elected 1994 | Fellowship category UK |
| Professor Samuel Beer FBA | Year of birth 1911 | Year of death 2009 | Year elected 2000 | Fellowship category Corresponding |
| Professor Alfred Beeston FBA | Year of birth 1911 | Year of death 1995 | Year elected 1965 | Fellowship category UK |
| Sir Idris Bell CB, OBE, FBA | Year of birth 1879 | Year of death 1967 | Year elected 1932 | Fellowship category UK |
| Professor Lord Max Beloff FBA | Year of birth 1913 | Year of death 1999 | Year elected 1973 | Fellowship category UK |
| M Charles Bémont FBA | Year of birth 1848 | Year of death 1939 | Year elected 1914 | Fellowship category Corresponding |
| Mr Henry Bennett FBA | Year of birth 1889 | Year of death 1972 | Year elected 1956 | Fellowship category UK |
| Professor Jack Bennett FBA | Year of birth 1911 | Year of death 1981 | Year elected 1971 | Fellowship category UK |
| Professor Maurice Beresford FBA | Year of birth 1920 | Year of death 2005 | Year elected 1985 | Fellowship category UK |
| M Henri Bergson FBA | Year of birth 1859 | Year of death 1941 | Year elected 1911 | Fellowship category Corresponding |
| Sir Isaiah Berlin OM, CBE, FBA | Year of birth 1909 | Year of death 1997 | Year elected 1957 | Fellowship category UK |