| Professor George Seton-Watson CBE, FBA | Year of birth 1916 | Year of death 1984 | Year elected 1969 | Fellowship category UK |
| Professor Robert William Seton-Watson FBA | Year of birth 1879 | Year of death 1951 | Year elected 1932 | Fellowship category UK |
| Professor Ihor Sevcenko FBA | Year of birth 1922 | Year of death 2009 | Year elected 1989 | Fellowship category Corresponding |
| M Henri Seyrig FBA | Year of birth 1895 | Year of death 1973 | Year elected 1955 | Fellowship category Corresponding |
| Professor Jean Seznec FBA | Year of birth 1905 | Year of death 1983 | Year elected 1960 | Fellowship category UK |
| Professor George Shackle FBA | Year of birth 1903 | Year of death 1992 | Year elected 1967 | Fellowship category UK |
| Professor Robert Shackleton CBE, FBA | Year of birth 1919 | Year of death 1986 | Year elected 1966 | Fellowship category UK |
| Mr Alexander Shand FBA | Year of birth 1858 | Year of death 1936 | Year elected 1929 | Fellowship category UK |
| Professor Richard Sharpe FBA, Hon MRIA | Year of birth 1954 | Year of death 2020 | Year elected 2003 | Fellowship category UK |
| Professor Thurstan Shaw CBE, FBA | Year of birth 1914 | Year of death 2013 | Year elected 1991 | Fellowship category UK Emeritus |
| Dr William Arthur Shaw FBA | Year of birth 1865 | Year of death 1943 | Year elected 1940 | Fellowship category UK |
| Professor John Shearman FBA | Year of birth 1931 | Year of death 2003 | Year elected 1976 | Fellowship category UK |
| Professor Brian Shefton FBA | Year of birth 1919 | Year of death 2012 | Year elected 1985 | Fellowship category UK |
| Professor John Shepherdson FBA | Year of birth 1926 | Year of death 2015 | Year elected 1990 | Fellowship category UK Emeritus |
| Professor George Sherburn FBA | Year of birth 1884 | Year of death 1962 | Year elected 1958 | Fellowship category Corresponding |
| Professor Michael Sheringham FBA | Year of birth 1948 | Year of death 2016 | Year elected 2010 | Fellowship category UK |