| Dr Frederic Raby CB, FBA | Year of birth 1888 | Year of death 1966 | Year elected 1941 | Fellowship category UK |
| Professor Oliver Rackham OBE, FBA | Year of birth 1939 | Year of death 2015 | Year elected 2002 | Fellowship category UK |
| Right Hon Viscount Cyril Radcliffe GBE, PC, FBA | Year of birth 1899 | Year of death 1977 | Year elected 1968 | Fellowship category UK |
| Professor Alfred Reginald Radcliffe-Brown FBA | Year of birth 1881 | Year of death 1955 | Year elected 1951 | Fellowship category UK |
| Professor Ludwig Radermacher FBA | Year of birth 1867 | Year of death 1952 | Year elected 1938 | Fellowship category Corresponding |
| Dr Courtenay Radford OBE, FBA | Year of birth 1900 | Year of death 1998 | Year elected 1956 | Fellowship category UK |
| Sir Sarvepalli Radhakrishnan OM, Hon FBA | Year of birth 1888 | Year of death 1975 | Year elected 1962 | Fellowship category Honorary |
| Professor Dr Stefan Radt FBA | Year of birth 1927 | Year of death 2017 | Year elected 1987 | Fellowship category Corresponding |
| Sir Leon Radzinowicz QC, FBA | Year of birth 1906 | Year of death 1999 | Year elected 1973 | Fellowship category UK |
| Professor Karl Rahner FBA | Year of birth 1904 | Year of death 1984 | Year elected 1974 | Fellowship category Corresponding |
| Professor Dr Ludwig Raiser FBA | Year of birth 1904 | Year of death 1980 | Year elected 1971 | Fellowship category Corresponding |
| Professor Alan Raitt FBA | Year of birth 1930 | Year of death 2006 | Year elected 1992 | Fellowship category UK |
| Professor K N Raj FBA | Year of birth 1924 | Year of death 2010 | Year elected 1972 | Fellowship category Corresponding |
| Professor Pio Rajna FBA | Year of birth 1847 | Year of death 1930 | Year elected 1920 | Fellowship category Corresponding |
| Dr George Ramsay FBA | Year of birth 1909 | Year of death 1992 | Year elected 1990 | Fellowship category UK |
| Sir James Ramsay FBA | Year of birth 1832 | Year of death 1925 | Year elected 1915 | Fellowship category UK |