| Sir William Ramsay FBA | Year of birth 1851 | Year of death 1939 | Year elected 1902 | Fellowship category UK |
| Rt Hon Lord Michael Ramsey Of Canterbury PC, Hon FBA | Year of birth 1904 | Year of death 1988 | Year elected 1983 | Fellowship category Honorary |
| Professor Edward Kenneth Rand FBA | Year of birth 1871 | Year of death 1945 | Year elected 1927 | Fellowship category Corresponding |
| Dr David Randall-MacIver FBA | Year of birth 1873 | Year of death 1945 | Year elected 1938 | Fellowship category UK |
| Dr Herbert Randle FBA | Year of birth 1880 | Year of death 1973 | Year elected 1950 | Fellowship category UK |
| Professor Terence Ranger FBA | Year of birth 1929 | Year of death 2015 | Year elected 1988 | Fellowship category UK |
| Professor Austin Ranney FBA | Year of birth 1920 | Year of death 2006 | Year elected 2003 | Fellowship category Corresponding |
| Professor Edward James Rapson FBA | Year of birth 1861 | Year of death 1937 | Year elected 1931 | Fellowship category UK |
| Very Revd Hastings Rashdall FBA | Year of birth 1858 | Year of death 1924 | Year elected 1909 | Fellowship category UK |
| Revd Professor Charles Raven FBA | Year of birth 1885 | Year of death 1964 | Year elected 1948 | Fellowship category UK |
| Professor John Rawls FBA | Year of birth 1921 | Year of death 2002 | Year elected 1983 | Fellowship category Corresponding |
| Miss Elizabeth Rawson FBA | Year of birth 1934 | Year of death 1988 | Year elected 1988 | Fellowship category UK |
| Professor Joseph Raz FBA | Year of birth 1939 | Year of death 2022 | Year elected 1987 | Fellowship category UK |
| Sir Charles Read FBA | Year of birth 1857 | Year of death 1929 | Year elected 1913 | Fellowship category UK |
| Rt Hon Lord Donald Reay KT, FBA | Year of birth 1839 | Year of death 1921 | Year elected 1902 | Fellowship category UK |
| Professor Stephen Reckert FBA | Year of birth 1923 | Year of death 2013 | Year elected 1994 | Fellowship category UK |