| Mr Christopher Dawson FBA | Year of birth 1889 | Year of death 1970 | Year elected 1943 | Fellowship category UK |
| Professor John Philip Dawson FBA | Year of birth 1928 | Year of death 2010 | Year elected 1970 | Fellowship category Corresponding |
| Dr Esmond de Beer CBE, FBA | Year of birth 1895 | Year of death 1990 | Year elected 1965 | Fellowship category UK |
| Sir Geoffrey de Bellaigue GCVO, FBA | Year of birth 1931 | Year of death 2013 | Year elected 1992 | Fellowship category UK Emeritus |
| Professor Michel De Bouard FBA | Year of birth 1909 | Year of death 1989 | Year elected 1977 | Fellowship category Corresponding |
| Professor William George de Burgh FBA | Year of birth 1866 | Year of death 1943 | Year elected 1938 | Fellowship category UK |
| Miss Beatrice de Cardi OBE, FBA | Year of birth 1914 | Year of death 2016 | Year elected 2002 | Fellowship category UK Emeritus |
| Père Baudouin De Gaiffer FBA | Year of birth 1897 | Year of death 1984 | Year elected 1978 | Fellowship category Corresponding |
| Professor Michael Jan De Goeje FBA | Year of birth 1838 | Year of death 1909 | Year elected 1904 | Fellowship category Corresponding |
| Professor Albinia de la Mare OBE, FBA | Year of birth 1932 | Year of death 2001 | Year elected 1987 | Fellowship category UK |
| Professor Isabel de Madariaga FBA | Year of birth 1919 | Year of death 2014 | Year elected 1990 | Fellowship category UK Emeritus |
| Professor Frederick De Martens FBA | Year of birth 1845 | Year of death 1909 | Year elected 1907 | Fellowship category Corresponding |
| Dr Jose Maria De Navarro FBA | Year of birth 1896 | Year of death 1979 | Year elected 1974 | Fellowship category Corresponding |
| Professor Martin De Riquer FBA | Year of birth 1914 | Year of death 2013 | Year elected 1989 | Fellowship category Corresponding |
| Professor Jacqueline De Romilly FBA | Year of birth 1913 | Year of death 2010 | Year elected 1967 | Fellowship category Corresponding |
| Dr Geoffrey de Sainte Croix FBA | Year of birth 1910 | Year of death 2000 | Year elected 1972 | Fellowship category UK |