| Name | Election date | Notes |
|---|
| Joseph Sabine | 1799-11-07 | 1770 – 24 January 1837 |
| Edward Sabine | 1818-04-16 | 14 October 1788 – 26 June 1883 |
| Giulio Sacchetti | 1740-11-06 | fl 1740–1757 |
| Christopher Tadeusz Czeslaw Sachrajda | 1996-03-14 | |
| Leo Sachs | 1997-05-15 | |
| Charles Sackville, 6th Earl of Dorset | 1699-01-11 | 24 January 1638 – 29 January 1706 |
| Richard Sackville, 5th Earl of Dorset | 1665-05-03 | 16 September 1622 – 27 August 1677 |
| Michael Thomas Sadler | 1832-06-09 | 3 January 1780 – 29 July 1835 |
| Peter John Sadler | 2005-05-26 | |
| Philip Geoffrey Saffman | 1988-03-17 | |
| Georges-Louis Le Sage | 1775-06-01 | 13 June 1724 – 9 November 1803 |
| Meghnad N Saha | 1927-05-12 | ? 6 October 1893 – 16 February 1956 |
| Birbal Sahni | 1936-05-07 | 14 November 1891 – 10 April 1949 |
| Helen Ruth Saibil | 2006-05-18 | |
| David Sainsbury | 2008-07-10 | 24 October 1940 Honorary member |
| Paul de Saint Hyacinthe | 1728-10-24 | 24 September 1684–1746 |
| Peter Sainthill | 1735-02-06 | - 8 October 1775 |
| Muhammad Abdus Salam | 1959-03-19 | 29 January 1926 – 21 November 1996, Pakistan |
| Gavin Salam | 2017-05-05 | |
| Redcliffe Nathan Salaman | 1935-05-16 | 12 September 1874 – 12 June 1955 |
| Albert Henri de Salengre | 1719-11-05 | ? 1694 – 27 July 1723 |
| Henry Jerome de Salis | 1770-05-03 | 1740 – 2 May 1810 |
| Jerome de Salis, 2nd Count de Salis | 1741-03-19 | 1709–1794 |
| Jerome de Salis, 4th Count de Salis-Soglio | 1808-12-15 | 1771 – 2 October 1836 |
| Richard Anthony Salisbury | 1787-03-15 | 1761–1829 |
| Edward James Salisbury | 1933-05-11 | 16 April 1886 – 10 November 1978 |
| Ekhard Karl Hermann Salje | 1996-03-14 | |
| Claude Sallier | 1744-05-10 | 4 April 1685 – 9 January 1761 |
| George Salmon | 1863-06-04 | 25 September 1819 – 22 January 1904 |
| George Salt | 1956-03-15 | 12 December 1903 – 17 February 2003 Entomologist, Cambridge |
| Henry Salt | 1812-11-26 | 14 June 1780 – ? 30 October 1827 |
| Henry Hyde Salter | 1856-06-05 | 1823 – 31 August 1871 |
| Samuel James Augustus Salter | 1863-06-04 | 1825–28 February 1897 |
| Milton Robert James Salton | 1979-03-15 | |
| Oliver Salusbury | 1681-04-06 | fl 1673–1687 |
| Giuseppe Angelo Saluzzo, Conte di Menusiglio | 1760-02-21 | 2 October 1734 – 16 June 1810 Chemist |
| Joseph Salvador | 1759-03-15 | fl 1759 |
| Giovanni Francesco Mauro Melchiorre Salvemini di Castiglione | 1745-05-30 | 1708–1791 |
| Osbert Salvin | 1873-06-12 | 25 February 1835 – 1 June 1898 |
| Antonio Maria Salvini | 1716-04-05 | 1653 – ? 17 May 1729 |
| John Roy Sambles | 2002-05-09 | Professor of Experimental Physics at the University of Exeter |
| Joseph Frank Sambrook | 1985-03-21 | |
| Jeremy Sambrooke | 1681-04-27 | - 27 April 1705 |
| Ralph Allen Sampson | 1903-06-11 | 25 June 1866 – 7 November 1939 |
| Thomas Sampson | 1811-07-04 | ? 1767 – 31 March 1839 Clergyman |
| Bernhard Samuelson | 1881-06-02 | 22 November 1820 – 10 May 1905 |
| Alec Sand | 1944-03-16 | 28 December 1901 – 11 July 1945 |
| Dale Sanders | 2001-05-10 | |
| Jeremy Keith Morris Sanders | 1995-03-09 | |
| Samuel Sanders | 1720-11-03 | - 1746 Barrister |
| William Sanders | 1864-06-02 | 12 January 1799 – 12 November 1875 Geologist, Bristol |
| Alexander Sandilands | 1711-11-30 | - 29 March 1760 |
| Edward Ayshford Sanford | 1832-12-06 | 23 May 1794 – 1 December 1871 MP for Somerset |
| Frederick Sanger | 1954-03-18 | |
| Ruth Ann Sanger | 1972-03-16 | 6 June 1918 – 4 June 2001 |
| Luigi Malaspina di Sannazzaro, Marquis Sannazzaro | 1784-06-24 | 1754–1835 |
| Matthew Sarayva | 1743-04-21 | fl 1743 |
| Wallace Leslie William Sargent | 1981-03-19 | |
| Alan McLeod Sargeson | 1983-03-17 | 30 October 1930 – 29 December 2008 |
| Peter Sarnak | 2002-05-09 | |
| Giovanni Ambrosio Sarotti | 1679-12-01 | fl 1679–1714 |
| Richard Saumarez | 1834-12-18 | 13 November 1764 – 28 January 1835 |
| Augustus Page Saunders | 1833-04-18 | 1801 – 21 July 1878 |
| Edward Saunders | 1902-06-05 | 22 March 1848 – 6 1910 |
| Erasmus Saunders | 1759-03-22 | - 1775 Prebendary of Rochester |
| George Saunders | 1812-05-07 | 1762 – July 1839 |
| Owen Alfred Saunders | 1958-03-20 | 24 September 1904 – 10 October 1993 |
| William Saunders | 1745-05-02 | - 1751 |
| William Saunders | 1793-05-09 | 1743 – 29 May 1817 Physician |
| William Wilson Saunders | 1853-06-02 | 4 June 1809 – 13 September 1879 |
| Nicholas Saunderson | 1718-11-06 | January 1682 – 19 April 1739 |
| Horace Benedict de Saussure | 1788-04-03 | 17 February 1740 – 22 January 1799 |
| François Boissier de Sauvages de Lacroix | 1749-05-25 | 12 May 1706 – ? 19 February 1767 |
| Thomas Savery | 1706-02-13 | c. 1650 – May 1715 |
| George Savile, 1st Marquess of Halifax | 1675-11-30 | 11 November 1633 – 5 April 1695 |
| George Savile | 1721-11-02 | 1678 – 16 September 1743 |
| George Savile | 1747-12-10 | 18 July 1726 – 10 January 1784 |
| Sir John Savill | 2013-05-02 | |
| William Scovell Savory | 1858-06-03 | 30 November 1826 – 4 March 1895 |
| 2008-05-16 | |
| Henry Barne Sawbridge | 1822-06-27 | 6 September 1778 – 28 April 1851 |
| John Sawbridge | 1739-06-28 | 1699 – 20 April 1762 |
| Roman Mieczyslaw Sawicki | 1987-03-19 | 20 April 1930 – 22 July 1990 |
| John Stanley Sawyer | 1962-03-15 | 19 June 1916 – 19 September 2000 |
| Robin Saxby | 2015-05-01 | 4 February 1957 – Engineer. Honorary Fellow |
| Leonid Sazanov | 2019-04-16 | |
| Charles Scarburgh | 1663-05-20 | ? December 1615 – 26 February 1694 Original Fellow |
| Pomponio, Baron of Scarlotti | 1696-04-29 | 1696 |
| Antonio Scarpa | 1791-05-05 | ? 13 June 1747 – 31 October 1832 |
| Jacob Christian Schaffer | 1764-02-23 | 30 May 1718 – 5 January 1790 |
| Ingrid Scheffer | 2018-05-09 | 21 December 1958 – |
| Johann Jakob Scheuchzer | 1703-11-30 | 2 August 1672 – 23 June 1733 |
| John Gaspar Scheuchzer | 1724-05-07 | 1702 – 10 April 1729 |
| Samuel Scheurer | 1717-03-28 | 1685 – 18 September 1749 |
| Heinz Otto Schild | 1966-03-17 | 18 May 1906 – 15 June 1984 |
| David William Schindler | 2001-05-10 | |
| William Schlich | 1901-06-06 | 28 February 1840 – 28 September 1925 |
| Jan Albert Schlosser | 1756-01-22 | 1733–1769 |
| Dolph Schluter | 1999-05-13 | |
| Johann Gottfried Schmeisser | 1794-03-20 | 25 June 1767 – 5 February 1837 |
| Brian Paul Schmidt | 2012-04-19 | |
| William George Schneider | 1962-03-15 | |
| Johann Daniel Schöpflin | 1728-06-27 | 6 September 1694 – 7 August 1771 |
| Andrew Noel Schofield | 1992-03-12 | |
| Christopher Schofield | 2013-05-02 | |
| Gregory D. Scholes | 2019-04-16 | |
| Meyer Low Schomberg | 1726-11-30 | 1690 – 4 March 1761 |
| Robert Hermann Schomburgk | 1859-06-09 | 5 June 1804 – 11 March 1865 German explorer |
| Basil Ferdinand Jamieson Schonland | 1938-03-17 | 5 February 1896 – 24 November 1972 |
| Carl Schorlemmer | 1871-06-08 | 30 September 1834 – 27 June 1892 |
| George Adolphus Schott | 1922-05-11 | 25 January 1868 – 15 July 1937 |
| Johann Christian Daniel von Schreber | 1795-04-16 | 17 January 1739 – 10 December 1810 |
| Johann Hieronymus Schroter | 1798-04-19 | 30 August 1745 – 29 August 1816 |
| William Schroter | 1662-09-17 | 15 November 1640 – October 1699 Original |
| Samuel Barnett Schryver | 1928-05-10 | 15 March 1869 – 21 August 1929 |
| 2009-05-15 | |
| Henry Edward Schunck | 1850-06-06 | 16 August 1820 – 13 January 1903 |
| Arthur Schuster | 1879-06-12 | 12 September 1851 – 14 October 1934 |
| Dennis William Sciama | 1983-03-17 | 18 November 1926 – 18 December 1999 cosmologist |
| George Sclater-Booth, Baron Basing | 1876-01-20 | 19 May 1826 – 22 October 1894 |
| John George Sclater | 1982-03-18 | |
| Philip Lutley Sclater | 1861-06-06 | 4 November 1829 – 27 June 1913 |
| Giacinto Scoles | 1997-05-15 | |
| William Scoresby | 1824-06-17 | 5 October 1789 – 21 March 1857 |
| Alastair Ian Scott | 1978-03-16 | 10 April 1928 – 18 April 2007 |
| Alexander Scott | 1898-06-09 | 28 December 1853 – 10 March 1947 Chemist, Cambridge Univ |
| David Alymer Scott | 1949-03-17 | 2 October 1892 – 18 November 1971 |
| Dukinfield Henry Scott | 1894-06-07 | 28 November 1854 – 29 January 1934 |
| Francis Scott, 2nd Duke of Buccleuch | 1724-03-12 | 11 January 1695 – 22 April 1751 |
| George Scott | 1748-03-10 | c. 1721 – 2 September 1780 Woolston Hall, Chigwell, Essex |
| George Lewis Scott | 1737-05-05 | May 1708 – 7 December 1780 |
| Henry Young Darracott Scott | 1875-06-03 | 2 January 1822 – 16 April 1883 |
| Hugh Scott | 1941-03-20 | 16 September 1885 – 1 November 1960 Keeper of Entomology, British Museum |
| James Scott | 1997-05-15 | |
| 2008-05-16 | |
| John Corse Scott | 1800-01-16 | 1779–1800 |
| John Donald Scott | 2003-05-15 | |
| John Scott, 1st Earl of Eldon | 1793-02-14 | 4 June 1751 – 13 January 1838 |
| Peter Markham Scott | 1987-06-25 | 14 September 1909 – 29 August 1989 Statute |
| Robert Henry Scott | 1870-06-02 | 28 January 1833 – 18 June 1916 |
| Walter Montagu Douglas Scott, 5th Duke of Buccleuch | 1833-06-20 | 25 November 1806 – 16 April 1884 |
| William Scott, Baron Stowell | 1793-02-14 | 17 October 1745 – 28 January 1836 |
| Charles Robert Scriver | 1991-03-14 | |
| George Julius Poulett Scrope | 1826-12-07 | 10 March 1797 – 19 January 1876 |
| Charles Scudamore | 1824-01-15 | 1779 – 4 August 1849 Physician |
| John Barlow Seale | 1786-03-09 | 23 February 1753 – 11 August 1838 |
| John Seally | 1791-06-30 | c. 1747 – March 1795 |
| George Frederick Charles Searle | 1905-05-11 | 3 December 1864 – 16 December 1954 |
| Michael John Seaton | 1967-03-16 | 16 January 1923 – 29 May 2007 |
| Samuel Seaward | 1841-06-10 | 1800 – 11 May 1842 |
| Albertus Seba | 1728-10-24 | 1665 – 1 May 1736 |
| Adam Sedgwick | 1821-02-01 | 22 March 1785 – 27 January 1873 |
| Adam Sedgwick | 1886-06-04 | 28 September 1854 – 27 February 1913 Zoologist, Cambridge & London Univ |
| Harry Govier Seeley | 1879-06-12 | 18 February 1839 – 8 January 1909 |
| Anthony Walter Segal | 1998-05-14 | |
| Graeme Bryce Segal | 1982-03-18 | |
| Johann Andreas von Segner | 1738-01-26 | 9 October 1704 – 5 October 1777 |
| Johann Philip Seip | 1736-07-01 | 28 October 1686 – 31 May 1757 |
| Charles Gabriel Seligman | 1919-05-15 | 24 December 1873 – 19 September 1940 |
| William James Sell | 1900-06-14 | 1847 – 7 March 1915 |
| Godfrey Sellius | 1733-05-03 | c. 1704–1767 |
| Alfred Richard Cecil Selwyn | 1874-06-04 | 28 July 1824 – 19 October 1902 |
| William Selwyn | 1866-06-07 | 19 February 1806 – 24 April 1875 |
| Ashoke Sen | 1998-05-14 | |
| John Senex | 1728-06-27 | - 30 December 1740 |
| Robert Seppings | 1814-11-10 | 1767 – 25 September 1840 |
| Isaac de Sequeira Samuda | 1723-06-27 | - ? March 1743 (first Jewish Fellow of the Royal Society) |
| Jacob Serenius | 1732-02-03 | 1700–1776 |
| Caroline Series | 2016-04-29 | 1951 – |
| George William Series | 1971-03-18 | 22 February 1920 – 2 January 1995 |
| Joseph Correa de Serra | 1796-03-03 | 1750 – 5 June 1823 |
| Conjeeveram Srirangachari Seshadri | 1988-03-17 | |
| Thiruvenkata Rajendra Seshadri | 1960-03-24 | 3 February 1900 – 27 September 1975 |
| Albert Seward | 1898-06-09 | 9 October 1863 – 11 April 1941 |
| William Seward | 1779-02-11 | January 1747 – 24 April 1799 |
| Robert Beresford Seymour Sewell | 1934-05-03 | 6 March 1880 – 11 February 1964 |
| John Sewell | 1820-03-02 | c. 1766 – 15 January 1833 Judge, Malta |
| Edward Adolphus Seymour, 11th Duke of Somerset | 1797-03-09 | 24 February 1775 – 15 August 1855 |
| Edward James Seymour | 1841-06-17 | 30 March 1796 – 16 April 1866 Naval Physician |
| Lord Webb John Seymour | 1802-11-11 | 7 February 1777 – 15 April 1819 |
| Joseph de Seytres, Marquis de Caumont | 1740-11-13 | 29 June 1688 – 29 September 1745 |
| Willem Jakob s Gravesande | 1715-06-09 | 27 September 1688 – 28 February 1742 |
| Richard Dickson Shackleford | 1792-06-28 | ? 6 November 1743 – 26 November 1829 |
| Lord Edward Arthur Alexander Shackleton | 1989-06-29 | 15 July 1911 – 22 September 1994 Statute |
| Robert Millner Shackleton | 1971-03-18 | 30 December 1909 – 3 May 2001 |
| Nicholas John Shackleton | 1985-03-21 | 23 June 1937 – 24 January 2006 |
| Nigel Shadbolt | 2017-05-05 | |
| Lancelot Shadwell | 1778-06-04 | - 1 January 1815 |
| Charles Frederick Alexander Shadwell | 1861-06-06 | 31 January 1814 – 1 March 1886 |
| John Shadwell | 1701-12-03 | 1671 – 4 January 1747 |
| James Shaen | 1663-05-20 | - 13 December 1695 Original |
| Timothy Shallice | 1996-03-14 | |
| Ian Alexander Shanks | 1984-03-15 | 22 June 1948 - |
| Isaac Pacatus Shard | 1751-01-24 | - 23 June 1766 |
| Man Mohan Sharma | 1990-03-15 | Chemical Engineer |
| David Sharp | 1890-06-05 | 15 August 1840 – 27 August 1922 |
| Paul M. Sharp | 2013-05-02 | |
| Richard Sharp | 1806-06-12 | 1759 – 30 March 1835 |
| Samuel Sharp | 1749-04-13 | c. 1700 – 24 March 1778 |
| William Sharp | 1769-04-20 | 1728–1810 |
| William Sharp | 1840-05-07 | 21 January 1805 – 10 April 1896 |
| Daniel Sharpe | 1850-06-06 | 6 April 1806 – 31 May 1856 |
| Fane William Sharpe | 1764-07-05 | c. 1727 – 21 October 1771 |
| Gregory Sharpe | 1754-05-09 | 1713 – 8 January 1771 |
| John Sharpe | 1826-04-13 | c. 1769 – July 1834 |
| Edward Albert Sharpey-Schafer | 1878-06-06 | 2 June 1850 – 29 March 1935 |
| William Sharpey | 1839-05-09 | 1 April 1802 – 11 April 1880 |
| Samuel George Shattock | 1917-05-03 | 3 November 1852 – 11 May 1924 |
| George John Shaw-Lefevre, Baron Eversley | 1899-01-26 | 12 June 1831 – ? 19 April 1928 |
| John George Shaw-Lefevre | 1820-11-16 | 24 January 1797 – 20 August 1879 |
| Bernard Leslie Shaw | 1978-03-16 | |
| George Shaw | 1789-02-26 | 10 December 1751 – 22 July 1813 |
| John Shaw | 1830-02-11 | 10 March 1776 – 30 July 1832 |
| Joseph Shaw | 1703-11-30 | 1671 – 24 October 1733 |
| Peter Shaw | 1752-04-16 | 1694 – 15 March 1763 Chemist |
| William Napier Shaw | 1891-06-04 | 4 March 1854 – 23 March 1945 |
| Thomas Shaw | 1734-06-13 | 4 June 1694 – 15 August 1751 |
| Trevor Ian Shaw | 1971-03-18 | 18 March 1928 – 26 September 1972 |
| Cresswell Shearer | 1916-05-11 | 25 May 1874 – 6 February 1941 |
| George Shee | 1810-05-10 | 1754 – 3 February 1825 Govt. Minister |
| Martin Archer Shee | 1831-04-21 | 20 December 1769 – 19 August 1850 |
| Richard Sheepshanks | 1830-04-01 | 30 July 1794 – ? 7 August 1855 |
| Henry Sheers | 1676-02-10 | - 21 April 1710 |
| Gilbert Sheldon | 1665-03-22 | 19 July 1598 – 9 November 1677 |
| John Sheldon | 1784-04-29 | 6 July 1752 – 8 October 1808 Anatomist and surgeon |
| Roger Sheldon | 2015-05-01 | 1942 – Chemist |
| George Michael Sheldrick | 2001-05-10 | |
| George Shelvocke | 1743-03-10 | - ? 1760 Secretary, GPO |
| Morgan Hwa-Tze Sheng | 2007-05-17 | |
| Allen Goodrich Shenstone | 1950-03-16 | 27 July 1893 – 16 |
| William Ashwell Shenstone | 1898-06-09 | 2 December 1850 – 3 February 1908 |
| Nicholas Ian Shepherd-Barron | 2006-05-18 | |
| Anthony Shepherd | 1763-04-21 | 1721 – 15 June 1796 |
| John Graham Shepherd | 1999-05-13 | |
| Lucy Amelia Shepherd | 2015-10-31 | 24 July 1992 |
| Richard Shepherd | 1781-05-10 | c. 1732 – 3 January 1809 |
| Theodore Shepherd | 2016-04-29 | Meteorogist |
| Norman Sheppard | 1967-03-16 | |
| Percival Albert Sheppard | 1964-03-19 | 12 May 1907 – 22 December 1977 |
| Philip MacDonald Sheppard | 1965-03-18 | 27 July 1921 – 17 October 1976 |
| James Sherard | 1706-12-04 | 1 November 1666 – 12 February 1738 |
| William Sherard | 1720-02-25 | 27 February 1659 – 11 August 1728 |
| John Arthur Shercliff | 1980-03-20 | 10 September 1927 – 6 December 1983 |
| Thomas Sheridan | 1679-02-06 | 1646 – c. 1688 James II Secretary |
| Sheila Patricia Violet Sherlock | 2001-05-10 | 31 March 1918 – 30 December 2001 |
| John Sherlock | 1715-06-09 | - 17 February 1719 Barrister |
| David John Sherratt | 1992-03-12 | |
| David Sherrington | 1994-03-10 | Physicist |
| David Colin Sherrington | 2007-05-17 | 5 March 1945 – 4 October 2014 Professor of Chemistry |
| Charles Scott Sherrington | 1893-06-01 | 27 November 1857 – 4 March 1952 |
| Barbara Sherwood Lollar | 2019-04-16 | 19 February 1963 – |
| Noah Sherwood | 1745-06-20 | - 1764 |
| 2009-05-15 | atmospheric physicist |
| Arthur Everett Shipley | 1904-05-05 | 10 March 1861 – 22 September 1927 |
| Robert Shippen | 1706-11-20 | 1675–1745 |
| Robert Shirley | 1699-01-11 | 4 September 1673 – 25 February 1699 |
| Washington Shirley, 5th Earl Ferrers | 1761-12-10 | 26 May 1722 – 2 October 1778 |
| David Shoenberg | 1953-03-19 | 4 January 1911 – 10 March 2004 physics of low temperatures |
| Molly Shoichet | 2019-04-16 | |
| Eric Manvers Shooter | 1988-03-17 | |
| Charles William Shoppee | 1956-03-15 | 24 February 1904 – 20 October 1994 |
| Charles John Shore, 2nd Baron Teignmouth | 1834-06-05 | 13 January 1796 – 18 September 1885 |
| Charles Short | 1804-05-17 | c. 1762 – 4 September 1838 Barrister |
| James Short | 1737-03-24 | 10 June 1710 – 14 June 1768 |
| Roger Valentine Short | 1974-03-21 | |
| Henry Edward Shortt | 1950-03-16 | 15 April 1887 – 9 November 1987 |
| Frederick William Shotton | 1956-03-15 | 8 October 1906 – 21 July 1990 |
| George Augustus William Shuckburgh-Evelyn | 1774-12-22 | 23 August 1751 – 11 August 1804 |
| Francis Shuckburgh | 1824-03-11 | 12 March 1789 – 29 October 1876 |
| Molyneux Shuldham, Baron Shuldham | 1777-03-13 | c. 1717–1798 |
| Robert Shuttleworth | 1777-04-24 | 1744 – 29 January 1816 |
| Ivan Ivanovich Shuvalov | 1758-03-16 | 1 November 1727 – 14 November 1797 |
| Wilson Sibbett | 1997-05-15 | |
| Francis Sibson | 1849-06-07 | 21 May 1814 – 7 September 1876 |
| Richard H. Sibson | 2003-05-15 | |
| John Sibthorp | 1788-03-06 | 28 October 1758 – 8 February 1796 |
| Obaid Siddiqi | 1984-03-15 | 7 January 1932 – 26 July 2013 |
| Salimuzzaman Siddiqui | 1961-03-16 | 19 October 1897 – 14 April 1994 |
| Nevil Vincent Sidgwick | 1922-05-11 | 8 May 1873 – 15 March 1952 |
| Charles William Siemens | 1862-06-05 | 4 April 1823 – ? 18 November 1883 |
| Robert William Sievier | 1841-03-04 | 24 July 1794 – 28 April 1865 |
| Joseph Ivor Silk | 1999-05-13 | |
| Angus Silver | 2017-05-05 | |
| Bernard Walter Silverman | 1997-05-15 | statistician |
| John Silvester | 1780-03-02 | 1745 – 30 March 1822 Recorder of London |
| John Baptist Silvester | 1747-11-12 | - ? 2 November 1789 |
| Pierre Silvestre | 1699-11-30 | c. 1662 – 16 April 1718 |
| Joachim Jose Fidalgo da Silveyra | 1751-10-31 | fl 1751 |
| Louis Siminovitch | 1980-03-20 | |
| Michelle Simmons | 2018-05-09 | 14 July 1967 – |
| Richard Simmons | 1813-03-11 | c. 1781 – 18 September 1846 Physician |
| Robert Malcolm Simmons | 1995-03-09 | |
| Samuel Foart Simmons | 1779-11-04 | 17 March 1750 – 23 April 1813 Physician |
| William Simms | 1852-06-03 | 7 December 1793 – 21 June 1860 |
| James Simon | 1748-11-17 | - 7 January 1757 |
| Leon Melvyn Simon | 2003-05-15 | |
| Franz Eugen Simon | 1941-03-20 | 2 July 1893 – 31 October 1956 |
| John Simon | 1845-01-09 | 10 October 1816 – 23 July 1904 Pathologist |
| William Simon | 1716-11-30 | fl 1716 -1722 |
| John Philip Simons | 1989-03-16 | |
| John Lionel Simonsen | 1932-05-05 | 23 July 1884 – 20 February 1957 |
| John Augustus Francis Simpkinson | 1847-04-22 | December 1780 – 8 July 1851 |
| Elizabeth Simpson | 2010-05-20 | |
| George Clarke Simpson | 1915-05-06 | 2 September 1878 – 1 January 1965 |
| Maxwell Simpson | 1862-06-05 | 15 March 1815 – 26 February 1902 |
| Patricia Ann Simpson | 2000-05-11 | Immunologist |
| Stephen Simpson | 2013-05-02 | entomologist |
| Thomas Simpson | 1745-12-05 | 20 August 1710 – 14 May 1761 |
| Thomas James Simpson | 2001-05-10 | |
| John Sims | 1814-03-10 | 1750 – 26 February 1831 |
| Anthony Ronald Entrican Sinclair | 2002-05-09 | |
| James Sinclair, 14th Earl of Caithness | 1862-11-20 | ? 16 August 1821 – 28 March 1881 |
| John Sinclair | 1784-06-24 | 10 May 1754 – 21 December 1835 |
| Frank Sturdy Sinnatt | 1938-03-17 | 4 May 1880 – 27 January 1943 |
| John Alexander Sinton | 1946-03-21 | 2 December 1884 – 25 March 1956 |
| 2009-05-15 | |
| James Six | 1792-01-19 | 30 January 1730 – 25 August 1793 |
| John James Skehel | 1984-03-15 | |
| Alec Westley Skempton | 1961-03-16 | 4 June 1914 – 9 August 2001 |
| Frederic Carpenter Skey | 1837-04-20 | 1 December 1798 – 15 August 1872 |
| Herbert Wakefield Banks Skinner | 1942-03-19 | 7 October 1900 – 20 January 1960 |
| Samuel Skinner | 1740-06-19 | - ? 1743 Astronomer |
| Phillip Skippon | 1667-05-16 | 28 October 1641 – ? August 1691 Naturalist. MP for Dunwich |
| 2008-05-16 | |
| 2009-05-15 | |
| Carl Johan Fredrik Skottsberg | 1950-04-27 | 1 December 1880 – 14 June 1963 |
| Charles Roger Slack | 1989-03-16 | |
| Gordon Douglas Slade | 2017-05-05 | |
| Nicholas Slanning | 1664-12-21 | June 1643 – ? April 1691 MP & Commissioner |
| Frederick Slare | 1680-12-16 | c. 1647 – 12 September 1727 |
| Edward Charles Slater | 1975-03-20 | |
| William Kershaw Slater | 1957-05-30 | 19 October 1893 – 19 April 1970 |
| Ralph Owen Slatyer | 1975-03-20 | 16 April 1929 – 27 July 2012 Biologist, Australia |
| John Sleath | 1820-03-23 | ? June 1767 – 30 April 1847 |
| Julia Slingo | 2015-05-01 | 1950-12-13 – Meteorologist and climate scientist |
| Henry Slingsby | 1663-04-22 | c. 1621 – c. 1688 Original Master of the Mint |
| Scott William Sloan | 2015-05-01 | Civil Engineer |
| Hans Sloane | 1685-01-21 | 16 April 1660 – 11 January 1753 |
| William Sloane | 1722-05-24 | 17 January 1696 – 18 February 1767 Nephew of Hans Sloane |
| Renatus Franciscus Slusius | 1674-04-16 | 7 July 1622 – 19 March 1685 |
| Raymond Edward Smallman | 1986-03-20 | 4 August 1929 – 25 February 2015 Metallurgist |
| John Smeaton | 1753-03-15 | 8 June 1724 – 28 October 1792 |
| Alfred Smee | 1841-06-10 | 18 June 1818 – 11 January 1877 Surgeon |
| Walter Nugent Thomas Smee | 1834-04-10 | 1801 – 7 February 1877 |
| Francis Smethwick | 1667-04-04 | - 1682 |
| Samuel Smiles | 1918-05-02 | 17 July 1877 – 6 May 1953 Prof of Chemistry, UCL |
| John Smirnove | 1825-05-05 | fl 1825–1844 |
| Alan Edward Smith | 2010-05-20 | Geneticist |
| Adam Smith | 1767-05-21 | 5 June 1723 – 17 July 1790 |
| Adrian Frederick Melhuish Smith | 2001-05-10 | |
| Alison Mary Smith | 2016-04-29 | Biologist |
| Andrew Smith | 1857-06-11 | 1797 – 12 August 1872 |
| Andrew Benjamin Smith | 2002-05-09 | |
| Archibald Smith | 1856-06-05 | 10 August 1813 – 26 December 1872 |
| Austin Gerard Smith | 2006-05-18 | |
| Bernard Smith | 1933-05-11 | 13 February 1881 – 19 August 1936 |
| Charles Hamilton Smith | 1824-05-13 | 26 December 1776 – 21 September 1859 |
| Christopher Hubert Llewellyn Smith | 1984-03-15 | |
| 2014-04-30 | Engineering Director, Rolls-Royce |
| David Smith | 1988-03-17 | Chemical physicist |
| David Cecil Smith | 1975-03-20 | Botanist |
| David Macleish Smith | 1952-03-20 | 9 June 1900 – 3 August 1986 |
| Desmond Stanley Smith | 1976-03-18 | |
| Donald Smith, 1st Baron Strathcona and Mount Royal | 1904-06-16 | 6 August 1820 – 21 January 1914 Statute |
| Edward Smith | 1738-01-19 | fl 1738 |
| Edward Smith | 1664-01-27 | fl 1664–1668 |
| Edward Smith | 1860-06-07 | c. 1818 – 16 November 1874 |
| Edward Smith | 1696-04-29 | 1665 – 4 November 1720 Bishop of Down & Connor |
| Edwin Smith | 1996-03-14 | 28 July 1931 – 4 July 2010 Metallurgist, Manchester |
| Ernest Lester Smith | 1957-03-21 | 7 August 1904 – 6 November 1992 |
| Frank Edward Smith | 1918-05-02 | 14 October 1876 – 1 July 1970 |
| Frank Ewart Smith | 1957-03-21 | 31 May 1897 – 14 June 1995 |
| Frank Thomas Smith | 1984-03-15 | |
| Frederick John Smith | 1894-06-07 | 2 April 1848 – 23 August 1911 |
| Geoffrey Lilley Smith | 2003-05-15 | |
| George David William Smith | 1996-03-14 | |
| Grafton Elliot Smith | 1907-05-02 | 15 August 1871 – 1 January 1937 |
| Harry Smith | 2000-05-11 | 19 September 1935 – 9 February 2015 Prof of Botany, Leicester Univ |
| Harry Smith | 1979-03-15 | Prof of Microbiology, Univ of B'ham |
| Henry John Stephen Smith | 1861-06-06 | 3 November 1826 – 9 February 1883 |
| Herbert Williams Smith | 1980-03-20 | 3 May 1919 – 16 June 1987 |
| Ian William Murison Smith | 1995-03-09 | |
| James Smith | 1830-12-23 | 15 August 1782 – 17 January 1867 |
| James Cuthbert Smith | 1993-03-11 | |
| James Edward Smith | 1785-05-26 | 2 December 1759 – 17 March 1828 |
| James Eric Smith | 1958-03-20 | 23 February 1909 – 3 September 1990 |
| James Lorrain Smith | 1909-05-06 | 21 August 1862 – 18 April 1931 |
| John Derek Smith | 1976-03-18 | 8 December 1924 – 22 November 2003 |
| John Mark Frederick Smith | 1841-11-18 | 11 January 1790 – 20 November 1874 |
| John Maynard Smith | 1977-03-17 | 6 January 1920 – 19 April 2004 |
| John Smith | 1773-05-27 | c. 1744 – 13 November 1807 |
| John Smith | 1809-05-11 | - 21 August 1817 |
| John Pye Smith | 1840-01-23 | 25 May 1774 – 5 February 1851 |
| John Spencer Smith | 1803-03-10 | c. 1770 – 5 June 1845 |
| John Thomas Smith | 1837-06-01 | 16 April 1805 – 14 May 1882 Madras Engineers |
| Joseph Smith | 1819-11-25 | 1775 – 28 May 1857 Barrister |
| Joseph Victor Smith | 1978-03-16 | |
| Kenneth Manley Smith | 1938-03-17 | 13 November 1892 – 11 June 1981 |
| Matthew Smith | 1801-02-26 | fl 1801 Captain, RN |
| Matthew Smith | 1795-11-19 | 1739–1812 Captain, Tower of London |
| Michael Smith | 1986-03-20 | 26 April 1932 – 5 October 2000 |
| Peter Smith | 2017-05-05 | |
| Robert Smith | 1719-02-05 | 1689 – 2 February 1768 |
| Robert Smith | 1796-11-24 | 22 November 1747 – 27 September 1832 Solicitor |
| Robert Allan Smith | 1962-03-15 | 14 May 1909 – 16 May 1980 |
| Robert Angus Smith | 1857-06-11 | 15 February 1817 – 12 May 1884 |
| Robert Smith, 1st Baron Carrington | 1800-05-29 | ? 2 February 1752 – 18 September 1838 |
| Samuel Walter Johnson Smith | 1914-05-07 | 26 January 1871 – 20 August 1948 |
| Stanley Desmond Smith | 1976-03-18 | |
| Thomas Smith | 1816-04-25 | 21 January 1777 – 15 March 1824 Barrister |
| Thomas Smith | 1932-05-05 | 6 April 1883 – 28 November 1969 Optics Section, NPL |
| Thomas Smith | 1677-12-06 | 3 June 1638 – 11 May 1710 |
| William Cusac Smith | 1805-04-25 | 23 January 1766 – 21 August 1836 Bt & MP |
| William Sidney Smith | 1811-06-13 | 21 June 1764 – 26 May 1840 |
| William Wright Smith | 1945-03-22 | 2 February 1875 – 15 December 1956 |
| William Smith | 1806-02-13 | 22 September 1756 – 31 May 1835 |
| William Henry Smith | 1878-02-14 | 24 June 1825 – 6 October 1891 |
| Wilson Smith | 1949-03-17 | 21 June 1897 – 10 July 1965 Microbiologist |
| Arthur Smithells | 1901-06-06 | 25 May 1860 – 8 February 1939 |
| James Smithson | 1787-04-19 | 1765 – 27 June 1829 bequest founds the Smithsonian Institution |
| John Smol | 2018-05-09 | 10 October 1955 – |
| Jan Christiaan Smuts | 1930-06-26 | 24 May 1870 – 11 September 1950 Statute 12 |
| Charles Piazzi Smyth | 1857-06-11 | 3 January 1819 – 21 February 1900; resigned in 1874 |
| David Henry Smyth | 1967-03-16 | 9 February 1908 – 10 September 1979 |
| George Smyth | 1663-05-20 | c. 1629 – 15 August 1702 Physician & Original Fellow |
| James Carmichael Smyth | 1779-05-06 | 1741 – 18 June 1821 |
| Warington Wilkinson Smyth | 1858-06-03 | 26 August 1817 – 19 June 1890 |
| William Henry Smyth | 1826-06-15 | 21 January 1788 – 9 September 1865 |
| Percy Clinton Sydney Smythe, 6th Viscount Strangford | 1825-02-03 | 31 August 1780 – 29 May 1855 |
| Sidney Stafford Smythe | 1742-03-11 | 1705 – 2 November 1778 |
| William James Smythe | 1864-06-02 | 25 January 1816 – 12 July 1887 |
| Henry James Snaith | 2015-05-01 | Physicist |
| Peter Henry Andrews Sneath | 1995-03-09 | 17 November 1923 – 9 September 2011 |
| Ian Naismith Sneddon | 1983-03-17 | 8 December 1919 – 4 November 2000 |
| George James Snelus | 1887-06-09 | 25 June 1837 – 18 June 1906 |
| Thomas Snodgrass | 1822-11-14 | - 28 August 1834 |
| George Robert Sabine Snow | 1948-03-18 | 19 January 1897 – 1 August 1969 |
| Christopher Maxwell Snowden | 2005-05-26 | |
| Allan Whitenack Snyder | 1990-03-15 | |
| William Soame | 1667-11-21 | c. 1644–1686 |
| John Soane | 1821-11-15 | 10 September 1753 – 20 January 1837 |
| Renee Elizabeth (Liz) Sockett | 2019-04-16 | 1962 |
| Frederick Soddy | 1910-05-05 | 2 September 1877 – 26 September 1956 |
| Timothy Softley | 2018-05-09 | 1958 – |
| Daniel Charles Solander | 1764-06-07 | ? 19 February 1733 – ? 13 May 1782 |
| Heinrich Friedrich de Solenthal | 1744-01-12 | - 1752 |
| William Johnson Sollas | 1889-06-06 | 30 May 1849 – 20 October 1936 |
| Edward Solly | 1843-01-19 | 11 October 1819 – 2 April 1886 Chemist |
| Richard Horsman Solly | 1807-05-07 | ? 29 April 1774 – 31 March 1858 |
| Samuel Solly | 1792-11-22 | c. 1724 – 5 January 1807 |
| Samuel Solly | 1812-05-14 | - 9 May 1847 |
| Samuel Solly | 1837-01-19 | 13 May 1805 – 24 September 1871 Surgeon |
| Samuel Reynolds Solly | 1823-05-29 | c. 1781–1866 |
| David Henry Solomon | 2004-05-27 | |
| Laszlo Solymar | 1995-03-09 | |
| John Somers, 1st Baron Somers | 1698-11-30 | ? 4 March 1650 – 26 April 1716 |
| Charles Somerset, Marquess of Worcester | 1673-06-04 | December 1660 – 13 July 1698 |
| Christopher Roland Somerville | 1991-03-14 | |
| William Somerville | 1817-12-11 | 22 April 1771 – 25 June 1860 Physician |
| Peter Somogyi | 2000-05-11 | |
| Franz Sondheimer | 1967-05-16 | 18 May 1926 – 11 February 1981 organic chemist |
| Nahum Sonenberg | 2006-05-18 | |
| Ajay Kumar Sood | 2015-05-01 | 1951 – Indian physicist |
| 2014-04-30 | Physical Chemist, STFC Rutherford Appleton Laboratory |
| Thomas Sopwith | 1845-06-05 | 3 January 1803 – 16 January 1879 |
| Samuel de Sorbiere | 1663-06-22 | 17 September 1615 – 9 April 1670 |
| Henry Clifton Sorby | 1857-06-11 | 10 May 1826 – 9 March 1908 |
| William Sotheby | 1744-03-08 | - 7 February 1766 Colonel |
| William Sotheby | 1794-11-13 | 9 November 1757 – 30 December 1833 |
| Luis Pinto de Sousa Coutinho | 1787-04-19 | 1735–1804 Portuguese politician |
| James South | 1821-02-15 | October 1785 – 19 October 1867 |
| Edwin Mellor Southern | 1983-03-17 | |
| Henry Herbert Southey | 1825-04-14 | ? 1783 – 13 June 1865 |
| Edward Southwell | 1692-11-30 | 4 September 1671 – 4 December 1730 |
| Richard Vynne Southwell | 1925-05-07 | 2 July 1888 – 9 December 1970 |
| Robert Southwell | 1663-05-20 | 31 December 1635 – 11 September 1702 Original |
| Thomas Southwell, 2nd Baron Southwell | 1735-03-13 | 7 January 1698 – ? 20 November 1766 |
| Thomas Richard Edmund Southwood | 1977-03-17 | 20 June 1931 – 26 October 2005 |
| Gaspar Merez de Souza | 1669-11-18 | fl 1669–1684 |
| Andrew Michael Soward | 1991-03-14 | |
| Nicola Spaldin | 2017-05-05 | |
| Dudley Brian Spalding | 1983-03-17 | |
| John Spalding | 1797-07-06 | - 26 August 1815 |
| Lazzaro Spallanzani | 1768-06-02 | 13 January 1729 – 11 February 1799 |
| Ezekiel, Freiherr von Spanheim | 1679-02-03 | 7 December 1629 – 25 October 1710 |
| Bowyer Edward Sparke | 1810-03-15 | 27 April 1759 – 4 April 1836 Bishop of Ely |
| Robert Stephen John Sparks | 1988-03-17 | Professor of Earth Sciences |
| Leonard Frank Spath | 1940-03-14 | 20 October 1882 – 2 March 1957 |
| John Speakman | 2018-05-09 | 1958 – |
| Walter Eric Spear | 1980-03-20 | |
| Charles Edward Spearman | 1924-05-15 | 10 September 1863 – 17 September 1945 |
| Terence Speed | 2013-05-02 | |
| William Speer | 1812-05-28 | c. 1764 – 11 April 1844 HM Treasury |
| Robert Spence | 1959-03-19 | 7 October 1905 – 10 March 1976 Chemist, Canada |
| William Spence | 1834-04-10 | 1783 – 6 January 1860 |
| Harold Spencer Jones | 1930-05-15 | 29 March 1890 – 3 November 1960 |
| Anthony James Merrill Spencer | 1987-03-19 | |
| Charles Spencer, 3rd Duke of Marlborough | 1744-01-12 | 22 November 1706 – 20 October 1758 |
| Charles Spencer, 3rd Earl of Sunderland | 1698-11-30 | c. 1674 – 19 April 1722 |
| Francis Almeric Spencer, 1st Baron Churchill | 1818-12-10 | 26 December 1779 – 10 March 1845 |
| George Spencer, 4th Duke of Marlborough | 1786-05-25 | 26 January 1739 – 29 January 1817 |
| Leonard James Spencer | 1925-05-07 | 7 July 1870 – 14 April 1959 |
| Robert Spencer, 2nd Earl of Sunderland | 1662-05-15 | 4 August 1640–1702 |
| Walter Baldwin Spencer | 1900-06-14 | 23 June 1860 – 14 July 1929 |
| William Kingdon Spencer | 1931-05-07 | 10 December 1878 – 1 October 1955 |
| Otto Sperling | 1700-11-30 | 3 January 1634 – 18 March 1715 Barrister and author |
| Paraskevas Sphicas | 2019-04-16 | 13 July 1963 – |
| David John Spiegelhalter | 2005-05-26 | statistician |
| Maria Grazia Spillantini | 2013-05-02 | |
| James Spilman | 1734-10-31 | c. 1680 – 21 November 1763 |
| Alfred Spinks | 1977-03-17 | 25 February 1917 – 11 February 1982 |
| Francesco Spoleti | 1696-07-15 | - 26 December 1712 Physician |
| William Spottiswoode | 1853-06-02 | 11 January 1825 – 27 June 1883 |
| John Spranger | 1791-03-24 | 1744–1804 Master in Chancery |
| Thomas Sprat | 1712-03-20 | 5 April 1679 – 10 May 1720 Clergyman, Archdeacon of Rochester |
| Thomas Sprat | 1663-05-20 | 1635 – 20 May 1713 Original Fellow |
| Brian Geoffrey Spratt | 1993-03-11 | |
| Thomas Abel Brimage Spratt | 1856-06-05 | 11 May 1811 – 10 March 1888 |
| Hermann Johann Phillipp Sprengel | 1878-06-06 | 29 August 1834 – 14 January 1906 |
| Conrad Joachim Sprengwell | 1721-03-09 | - 14 March 1740 |
| Jonathan Sprent | 1998-05-14 | |
| Frank Stuart Spring | 1952-03-20 | 5 September 1907 – 1 March 1997 |
| Henry Harpur Spry | 1841-05-13 | 6 January 1804 – 4 September 1842 |
| Herbert Brian Squire | 1957-03-21 | 13 July 1909 – 22 November 1961 |
| Samuel Squire | 1746-05-15 | 1713 – 7 May 1766 |
| Mandyam Veerambudi Srinivasan | 2001-05-10 | |
| John St Aubyn | 1797-05-18 | 17 May 1758 – 10 August 1839 MP for Truro, Penryn and Helston |
| Peter Henry St George Hyslop | 2004-05-27 | |
| Chevalier de St George | 1750-01-11 | - c. 1764 |
| Henry St. John, Viscount Bolingbroke | 1713-01-29 | October 1678 – 12 December 1751 |
| Oliver St John | 1720-02-25 | c. 1691 – 26 November 1743 Barrister |
| St Andrew St John, 14th Baron St John of Bletso | 1808-02-18 | 22 August 1759 – 15 October 1817 |
| Robert Daniel St Johnston | 2005-05-26 | |
| Anthony John Stace | 2002-05-09 | |
| Maurice Stacey | 1950-03-16 | 8 April 1907 – 9 October 1994 |
| Thomas Stack | 1738-01-26 | - 1756 |
| William Matthias Stafford-Howard, 3rd Earl of Stafford | 1743-06-16 | ? 24 February 1718 – 28 February 1751 |
| Godfrey Harry Stafford | 1979-03-15 | 15 April 1920 – 29 July 2013 Director of the Rutherford Appleton Laboratories |
| Henry Tibbats Stainton | 1867-06-06 | 13 August 1822 – 2 December 1892 |
| Joannes Adamus Stampfer | 1688-11-30 | - ? 1743 |
| John Frederick Stanford | 1844-02-01 | January 1815 – 2 December 1880 |
| Alexander Stanhope | 1663-05-20 | 1638 – 20 September 1707 Original Fellow |
| Charles Stanhope | 1726-07-07 | 1673 – 16 March 1760 MP for Milborne Port, Aldborough and Harwich |
| John Spencer Stanhope | 1816-06-27 | 27 May 1787 – 7 November 1873 |
| Philip Stanhope, 2nd Earl of Chesterfield | 1708-11-30 | 1633 – 28 January 1713 |
| Philip Stanhope, 2nd Earl Stanhope | 1735-11-06 | 15 August 1714 – 7 March 1786 |
| Philip Stanhope, 5th Earl of Chesterfield | 1776-12-19 | 10 November 1755 – 29 August 1815 |
| William Stanhope, 1st Earl of Harrington | 1741-12-17 | c. 1690 – 8 December 1756 |
| Roger Yate Stanier | 1978-03-16 | 22 October 1916 – 29 January 1982 |
| William Arthur Stanier | 1944-03-16 | 27 May 1876 – 27 September 1965 |
| Arthur Penrhyn Stanley | 1863-06-04 | 13 December 1815 – 18 July 1881 |
| Edward Stanley | 1830-03-11 | 3 July 1793 – 24 May 1862 Surgeon, St Barts |
| Edward Stanley | 1765-03-07 | fl 1765–1789 |
| Edward Henry Stanley, 15th Earl of Derby | 1859-12-15 | 21 July 1826 – 21 April 1893 |
| Edward Stanley, Bishop of Norwich | 1840-06-04 | 1 January 1779 – 6 September 1849 |
| George Stanley | 1719-02-25 | - ? 31 January 1734 Suicide |
| Herbert Muggleton Stanley | 1966-03-17 | 20 July 1903 – 4 July 1987 |
| John Thomas Stanley, Baron Stanley of Alderley | 1790-04-29 | 26 November 1766 – 23 October 1850 |
| Owen Stanley | 1842-03-03 | 13 June 1811 – 13 March 1850 |
| Richard Stanley | 1791-05-26 | April 1738 – 5 July 1810 Barrister |
| John Stanley | 1698-11-09 | 1663 – 30 November 1744 Baronet, Commissioner and MP |
| Thomas Stanley | 1663-05-20 | 1625 – 12 April 1678 Original Fellow |
| William Stanley | 1689-11-30 | ? August 1647 – 9 October 1731 |
| Thomas Edward Stanton | 1914-05-07 | 23 December 1865 – 30 August 1931 |
| Temple Stanyan | 1726-05-12 | c. 1677 – 25 March 1752 |
| Otto Stapf | 1908-05-07 | 23 March 1857 – 3 August 1933 |
| Reginald George Stapledon | 1939-03-16 | 22 September 1882 – 6 September 1960 |
| George Robert Stark | 1990-03-15 | |
| Ernest Henry Starling | 1899-06-01 | 17 April 1866 – 2 May 1927 |
| James Staunton | 1998-05-14 | |
| George Leonard Staunton | 1787-02-15 | ? 10 April 1737 – 14 January 1801 |
| George Thomas Staunton | 1803-04-28 | 26 May 1781 – 10 August 1859 |
| Edgar William Richard Steacie | 1948-03-18 | 25 December 1900 – 28 August 1962 |
| John Edward Stead | 1903-06-11 | 11 October 1851 – 31 October 1923 |
| Richard Stearne | 1665-03-29 | c. 1596 – 18 June 1683 |
| Thomas Steavens | 1752-03-05 | - 20 June 1759 |
| Henry Stebbing | 1845-04-03 | 26 August 1799 – 22 September 1883 |
| Henry Stebbing | 1765-01-24 | 1716 – 13 November 1787 |
| Thomas Roscoe Rede Stebbing | 1896-06-04 | 6 February 1835 – 9 July 1926 |
| Edgar Stedman | 1938-03-17 | 12 July 1890 – 8 May 1975 |
| John Wickham Steeds | 1988-03-17 | |
| 2009-05-15 | |
| Bertram Dillon Steele | 1919-05-15 | 30 May 1870 – 12 April 1934 |
| John Hyslop Steele | 1978-03-16 | |
| George Steevens | 1767-05-28 | 10 May 1736 – 22 January 1800 |
| Jacob de Stehelin | 1773-06-10 | 1710 – 6 July 1785 |
| John Peter Stehelin | 1739-11-08 | - ? 2 July 1753 |
| Johann Georg Steigertahl | 1714-11-11 | c. 1667 – c. 1740 |
| John Stenhouse | 1848-06-09 | 21 October 1809 – 31 December 1880 |
| Douglas W Stephan | 2013-05-02 | |
| Archibald John Stephens | 1832-04-05 | 1808 – 30 January 1880 |
| Francis Stephens | 1793-03-07 | c. 1739 – 20 December 1807 |
| Graeme Stephens | 2018-05-09 | |
| Leonard Robert Stephens | 2011-05-19 | |
| John William Watson Stephens | 1920-05-13 | 2 March 1865 – 17 May 1946 |
| Philip Stephens | 1771-06-06 | 11 October 1725 – 20 November 1809 |
| 2008-05-16 | |
| Tyringham Stephens | 1766-03-13 | - 17 February 1768 |
| William Stephens | 1718-12-01 | c. 1693 – 10 February 1760 Physician |
| John Stephenson | 1930-05-15 | 6 February 1871 – 2 February 1933 Prof of Zoology, Edinburgh Univ. |
| Marjory Stephenson | 1945-03-22 | 24 January 1885 – 12 December 1948 |
| Robert Stephenson | 1849-06-07 | 16 October 1803 – 12 October 1859 |
| Thomas Alan Stephenson | 1951-03-15 | 19 January 1898 – 3 April 1961 |
| George Stepney | 1697-11-30 | 1663 – 15 September 1707 |
| Patrick Christopher Steptoe | 1987-03-19 | 9 June 1913 – 22 March 1988 |
| 2008-05-16 | |
| 2014-04-30 | 22 April 1946 |
| John Robert Steuart | 1829-01-15 | - c. 1853 |
| Henry Stewart Stevens | 1740-10-23 | - 1760 |
| John Stevens | 1734-10-31 | - 15 July 1737 Surgeon to Prince of Wales |
| 2009-05-15 | |
| Thomas Stevens Stevens | 1963-03-21 | 8 October 1900 – 12 November 2000 |
| David John Stevenson | 1993-03-11 | |
| William Ford Stevenson | 1811-11-21 | – 3 February 1852 |
| Frederick Campion Steward | 1957-03-21 | 16 June 1904 – 13 September 1993 |
| Balfour Stewart | 1862-06-05 | 1 November 1828 – 19 December 1887 |
| Charles Stewart | 1896-06-04 | 18 May 1840 – 27 September 1907 |
| Dugald Stewart | 1814-06-23 | 22 November 1753 – 11 June 1828 |
| Henry Robert Stewart, 2nd Marquess of Londonderry | 1802-11-11 | 18 June 1769 – 12 August 1822 Lord Castlereagh |
| Ian Nicholas Stewart | 2001-05-10 | |
| John Stewart | 1776-05-23 | - 1778 HEIC Secretary, Bengal |
| Matthew Stewart | 1764-06-21 | January 1717 – 23 January 1785 |
| Robert William Stewart | 1970-03-19 | 21 August 1923 – 19 January 2005 |
| Frederick Henry Stewart | 1964-03-19 | 16 January 1916 – 9 December 2001 |
| William Duncan Paterson Stewart | 1977-03-17 | |
| Keith Stewartson | 1965-03-18 | 20 September 1925 – 7 May 1983 |
| Georg Stiernhielm | 1669-12-09 | 7 August 1598 – 22 April 1672 |
| Walter Stiles | 1928-05-10 | 23 August 1886 – 19 April 1966 |
| Walter Stanley Stiles | 1957-03-21 | 15 June 1901 – 15 December 1985 |
| Edward Stillingfleet | 1688-11-30 | c. 1660 – June 1708 |
| Bruce William Stillman | 1993-03-11 | |
| George Stinton | 1776-05-23 | c. 1730 – 30 April 1783 |
| Charles Stirling | 1806-06-19 | 28 April 1760 – 7 November 1833 |
| Charles James Matthew Stirling | 1986-03-20 | |
| Edward Hamilton Stirling | 1838-05-03 | - ? 1874 |
| James Stirling | 1726-11-03 | 1692 – 5 December 1770 |
| Edward Charles Stirling | 1893-06-01 | 8 September 1848 – 20 March 1919 |
| James Stirling | 1902-04-24 | 3 May 1836 – 27 June 1916 |
| Walter Stirling | 1801-03-05 | 24 June 1758 – ? 26 August 1832 |
| William James Stirling | 1999-05-13 | |
| Bruce Arnold Dunbar Stocker | 1966-03-17 | 26 May 1917 – 30 August 2004 |
| Brigitta Stockinger | 2013-05-02 | |
| James Stodart | 1821-06-07 | c. 1760 – 11 September 1823 |
| James Fraser Stoddart | 1994-03-10 | |
| Boris Peter Stoicheff | 1975-03-20 | |
| Michael George Parke Stoker | 1968-03-21 | |
| Charles Stokes | 1821-01-18 | 1784 – 28 December 1853 |
| George Gabriel Stokes | 1851-06-05 | 14 August 1819 – 1 February 1903 |
| William Stokes | 1861-06-06 | 1804 – ? 10 January 1878 |
| Edmund Stone | 1725-04-15 | - 1768 Mathematician |
| Edward James Stone | 1868-06-04 | 28 February 1831 – 9 May 1897 |
| Francis Gordon Albert Stone | 1976-03-18 | 19 May 1925 – 6 April 2011 |
| Arthur Marshall Stoneham | 1989-03-16 | 18 May 1940 – 18 February 2011 |
| Robert Stoneley | 1935-05-16 | 14 May 1894 – 2 February 1976 Mathematician |
| Edmund Clifton Stoner | 1937-05-06 | 2 October 1899 – 27 December 1968 |
| Bindon Blood Stoney | 1881-06-02 | 13 June 1828 – 5 May 1909 |
| George Gerald Stoney | 1911-05-04 | 28 November 1863 – 15 May 1942 |
| George Johnstone Stoney | 1861-06-06 | 15 February 1826 – 5 July 1911 |
| John Stopford, Baron Stopford of Fallowfield | 1927-05-12 | 25 June 1888 – 6 March 1961 |
| John Storer | 1816-06-27 | - 1839 |
| Harold Haydon Storey | 1946-03-21 | 10 June 1894 – 5 April 1969 |
| Mervyn Herbert Nevil Story-Maskelyne | 1870-06-02 | 3 September 1823 – 20 May 1911 |
| Anthony Mervin Reeve Story | 1823-11-27 | 8 May 1791 – 15 May 1879 Barrister |
| Michael James Stowell | 1984-03-15 | |
| Jonathan P. Stoye | 2017-05-05 | |
| Edward Hardinge John Stracey | 1810-06-07 | September 1768 – 14 July 1851 |
| John Strachey | 1719-11-05 | 10 May 1671 – 11 June 1743 |
| Richard Strachey | 1854-06-01 | 24 July 1817 – 12 February 1908 |
| Reginald Edward Stradling | 1943-03-18 | 12 May 1891 – 26 January 1952 |
| Aubrey Strahan | 1903-06-11 | 20 April 1852 – 4 March 1928 |
| William John Strang | 1977-03-17 | 29 June 1921 – 14 September 1999 |
| Alexander Strange | 1864-06-02 | 27 April 1818 – 9 March 1876 Surveyor |
| John Strange | 1766-04-10 | 1732 – 19 March 1799 |
| Giles Strangways | 1673-12-11 | 3 June 1615 – 20 July 1675 |
| William Fox-Strangways, 4th Earl of Ilchester | 1821-03-08 | 7 May 1795 – 10 January 1865 |
| Angela Strank | 2018-05-09 | October 1952 – |
| Edward Stratford, 2nd Earl of Aldborough | 1777-05-29 | - 2 January 1801 |
| William Samuel Stratford | 1832-06-09 | 22 May 1789 – 29 March 1853 |
| James Lyon Strathmore | 1732-05-11 | ? December 1702 – 4 January 1735 |
| Simone Stratico | 1764-01-19 | 1733 – 16 July 1824 |
| Joseph Straton | 1830-05-06 | - 23 October 1840 |
| 2008-05-16 | |
| Frederick John Marrian Stratton | 1947-03-20 | 16 October 1881 – 2 September 1960 |
| George Frederick Stratton | 1807-02-05 | 17 October 1779 – ? 1833 |
| Nicholas James Strausfeld | 2002-05-09 | |
| Hugh Edwin Strickland | 1852-06-03 | 2 March 1811 – ? 13 September 1853 |
| Christopher Brian Stringer | 2004-05-27 | |
| Edward Strutt, 1st Baron Belper | 1860-03-22 | 26 October 1801 – 30 June 1880 |
| John William Strutt, 3rd Baron Rayleigh | 1873-06-12 | 12 November 1842 – 30 June 1919 |
| Robert John Strutt, 4th Baron Rayleigh | 1905-05-11 | 28 August 1875 – 13 December 1947 |
| William Strutt | 1817-06-26 | 20 July 1756 – 29 December 1830 |
| Friedrich Georg Wilhelm Struve | 1827-03-15 | 15 April 1793 – 23 November 1864 |
| Otto Struve | 1954-04-29 | 12 August 1897 – 6 April 1963 |
| Nicholas Struyck | 1750-02-22 | 1686–1769 |
| 2015-05-01 | Biochemist |
| Paul Edmund de Strzelecki | 1853-06-02 | 20 July 1797 – 6 October 1873, German explorer and geologist |
| John Stuart-Wortley, 2nd Baron Wharncliffe | 1829-06-04 | 20 April 1801 – 22 October 1855 |
| Alexander Stuart | 1714-11-30 | c. 1673 – 15 September 1742 |
| Charles Stuart | 1720-02-25 | c. 1682 – 15 February 1770 |
| David Ian Stuart | 1996-03-14 | |
| James Stuart | 1758-04-27 | 1713 – 2 February 1788 |
| John Trevor Stuart | 1974-03-21 | |
| John Stuart, 1st Marquess of Bute | 1799-12-12 | 30 June 1744 – 16 November 1814 |
| Nicholas Stuart | 1667-10-24 | c. 1616 – 15 February 1710 Chamberlain of Exchequer, MP for Lymington |
| Cyril James Stubblefield | 1944-03-16 | 6 September 1901 – 23 October 1999 |
| Philip Stubs | 1703-11-30 | 2 October 1665 – 13 September 1738 |
| William Stukeley | 1718-03-13 | 7 November 1687 – 3 March 1765 |
| William Sturges-Bourne | 1826-04-20 | 8 November 1769 – 1 February 1845 |
| Alvaro Lopez Suasso | 1735-04-24 | - 1752 |
| Charles Walter Suckling | 1978-03-16 | 24 July 1920 – 31 October 2013 Biochemist |
| Willie Sucksmith | 1940-03-14 | 21 September 1896 – 16 September 1981 |
| Jean Joseph Sue | 1760-12-18 | 20 April 1710 – 15 December 1792 |
| Thomas Le Sueur | 1741-12-10 | |
| Samuel Sugden | 1934-05-03 | 21 February 1892 – 20 October 1950 |
| Theodore Morris Sugden | 1963-03-21 | 31 December 1919 – 3 January 1984 |
| Richard Joseph Sullivan | 1785-12-22 | 10 December 1752 – 17 July 1806 Baronet, MP |
| John Edward Sulston | 1986-03-20 | |
| 2008-05-16 | |
| John Bird Sumner | 1848-12-14 | 25 February 1780 – 6 September 1862 Archbishop of Canterbury |
| Daniel de Superville | 1741-02-12 | 1696 – c. 1770 |
| Richard Brooke Supple | 1788-05-01 | 6 January 1758 – 27 November 1829 later Richard de Capell Brooke |
| Mriganka Sur | 2006-05-18 | |
| M Azim Surani | 1990-03-15 | |
| Reginald Cockcroft Sutcliffe | 1957-03-21 | 16 November 1904 – 28 May 1991 |
| Alexander John Sutherland | 1846-06-18 | 7 April 1811 – 31 January 1867 Physician |
| Alexander Robert Sutherland | 1828-03-13 | c. 1772 – 24 May 1861 |
| Grant Robert Sutherland | 1996-03-14 | Human geneticist |
| Gordon Brims Black McIvor Sutherland | 1949-03-17 | 8 April 1907 – 27 June 1980 |
| John David Sutherland | 2017-05-05 | |
| Adrian Peter Sutton | 2003-05-15 | |
| John Sutton | 1966-03-17 | 8 July 1919 – 6 September 1992 Geologist |
| Leslie Ernest Sutton | 1950-03-16 | 22 June 1906 – 30 October 1992 |
| Oliver Graham Sutton | 1949-03-17 | 5 February 1903 – 26 May 1977 |
| 2009-05-15 | |
| William Swainson | 1820-12-14 | 8 October 1789 – 7 December 1855 |
| John Crossley Swallow | 1968-03-21 | 11 October 1923 – 3 December 1994 |
| Monkombu Sambasivan Swaminathan | 1973-03-15 | |
| Joseph Wilson Swan | 1894-06-07 | 31 October 1828 – 27 May 1914 |
| Michael Meredith Swann, Baron Swann of Coln St Denys | 1962-03-15 | 1 March 1920 – 22 September 1990 |
| Clement Tudway Swanston | 1839-03-14 | 1783 – 19 April 1863 |
| Charles Swanton | 2018-05-09 | |
| Govind Swarup | 1991-03-14 | |
| Sir Martin Nicholas Sweeting | 2000-05-11 | |
| Gerhard van Swieten | 1749-05-04 | 7 May 1700 – 18 June 1772 |
| James Swinburne | 1906-05-03 | 28 |
| John Edward Swinburne | 1818-02-26 | 6 March 1762 – 26 September 1860 |
| Philip van Swinden | 1772-04-02 | fl 1772–1787 |
| Robert Swinhoe | 1876-06-01 | 1 September 1836 – 28 October 1877 |
| Henry Peter Francis Swinnerton-Dyer | 1967-03-16 | |
| Sidney Swinney | 1764-02-16 | - 12 December 1783 |
| Alan Archibald Campbell Swinton | 1915-05-06 | 19 October 1863 – 19 February 1930 |
| John Swinton | 1729-10-16 | 1703 – 4 April 1777 |
| Philip Sydenham | 1700-11-30 | c. 1676 – 10 October 1739 |
| Alfred Geoffrey Sykes | 1999-05-13 | |
| Brian Douglas Sykes | 2000-05-11 | |
| Charles Sykes | 1943-03-18 | 27 February 1905 – 29 January 1982 Metallurgist |
| Richard Brook Sykes | 1997-05-15 | |
| William Henry Sykes | 1834-02-06 | 25 January 1790 – 16 June 1872 |
| James Joseph Sylvester | 1839-04-25 | 3 September 1814 – 15 March 1897 mathematician |
| Jacobus Sylvius | 1687-03-09 | c. 1647–1689 |
| Michael Symes | 1800-12-18 | c. 1753 – 22 January 1809 Diplomat & Soldier |
| Johnson Symington | 1903-06-11 | 9 September 1851 – 24 February 1924 |
| Robert Symmer | 1753-11-15 | - 19 June 1763 |
| John Symmons | 1794-07-10 | - 1832 |
| William Symonds | 1835-06-04 | 24 September 1782 – 30 March 1856 |
| George James Symons | 1878-06-06 | 6 August 1838 – 10 March 1900 |
| Martyn Christian Raymond Symons | 1985-03-21 | 12 November 1925 – 29 January 2002 |
| Robert Henry Symons | 1988-03-17 | 20 March 1934 – 4 October 2006 |
| John Lighton Synge | 1943-03-18 | 23 March 1897 – 30 March 1995 |
| Richard Laurence Millington Synge | 1950-03-16 | 28 October 1914 – 18 August 1994 |
| Jack William Szostak | 2019-04-16 | 9 November 1952 – |
| Michael Szwarc | 1966-03-17 | 19 June 1909 – 4 August 2000 polymer chemistry | |
| Name | Election date | Notes |
|---|
| David Tabor | 1963-03-21 | 23 October 1913 – 26 November 2005 |
| Carlo Taglini | 1733-02-01 | 1679 – 18 September 1747 |
| Archibald Campbell Tait | 1859-01-27 | 21 December 1811 – ? 1 December 1882 |
| James Francis Tait | 1959-03-19 | 1 December 1925 – 2 February 2014 |
| Sylvia Agnes Sophia Tait | 1959-03-19 | 8 January 1917 – 28 February 2003 UK Biochemist |
| Charles Chetwynd-Talbot, 2nd Earl Talbot | 1813-05-06 | 25 April 1777 – 10 January 1849 |
| Christopher Rice Mansel Talbot | 1831-03-17 | 10 May 1803 – 17 January 1890 |
| James Talbot, 4th Baron Talbot of Malahide | 1858-02-18 | 22 November 1805 – 14 April 1883 |
| Gilbert Talbot | 1663-04-22 | c. 1607 – ? July 1695 Original. Master of Jewel Office. MP for Plymouth |
| John Talbot | 1663-07-29 | 7 June 1630 – 13 March 1714 |
| 2014-04-30 | Geneticist, Exeter University |
| William Talbot | 1742-12-16 | c. 1719–1768 |
| William Henry Fox Talbot | 1831-03-17 | 11 February 1800 – 17 September 1877 |
| John Francis Talling | 1978-03-16 | British Limnologist |
| Patrick Ping Leung Tam | 2011-05-19 | Microbiologist |
| Henry William Lloyd Tanner | 1899-06-01 | 17 February 1851 – 6 March 1915 |
| Joseph Tanner | 1710-11-30 | - 19 October 1724 British Surgeon |
| Roger Ian Tanner | 2001-05-10 | rheologist |
| Arthur George Tansley | 1915-05-06 | 15 August 1871 – 25 November 1955 |
| Terence Chi-Shen Tao | 2007-05-17 | |
| Jamshed Rustom Tata | 1973-03-15 | Medical Research, London |
| Henry Tattam | 1835-02-05 | ? 28 December 1788 – 8 January 1868 |
| Richard Taunton | 1835-04-02 | c. 1774 – 26 March 1838 |
| Simon Tavaré | 2011-05-19 | |
| George Frederic Tavel | 1818-01-29 | c. 1773 – 26 April 1829 English clergyman |
| Roger John Tayler | 1995-03-09 | 25 October 1929 – 23 January 1997 |
| Andrew D. Taylor | 2019-04-16 | |
| Alfred Swaine Taylor | 1845-11-20 | 11 December 1806 – 27 May 1880 |
| Brook Taylor | 1712-03-20 | 18 August 1685 – 30 November 1731 |
| Charles Taylor | 1722-11-01 | c. 1693 – 6 July 1766 MP for Totnes, Barrister |
| Edward Wilfred Taylor | 1952-03-20 | 29 April 1891 – 1 November 1980 UK Optics Manufacturer |
| Edwin William Taylor | 1978-03-16 | |
| Geoffrey Ingram Taylor | 1919-05-15 | 7 March 1886 – 27 June 1975 |
| George Taylor | 1968-03-21 | 15 February 1904 – 13 November 1993 |
| George Watson-Taylor | 1826-02-16 | 1771- 6 May 1841 |
| Henry Martyn Taylor | 1898-06-09 | 6 June 1842 – 16 October 1927 |
| Hugh Stott Taylor | 1932-05-05 | 6 February 1890 – 17 April 1971 |
| J. Roy Taylor | 2017-05-05 | |
| James Haward Taylor | 1960-03-24 | 24 February 1909 – 25 January 1968 British Geologist |
| John Taylor | 1825-05-05 | 22 August 1779 – 5 April 1863 |
| John Bryan Taylor | 1970-03-19 | |
| John Clayton Taylor | 1981-03-19 | Mathematical physicist |
| John Taylor | 1776-05-09 | c. 1744 – 8 May 1786 Baronet |
| John Michael Taylor | 1998-05-14 | |
| Martin John Taylor | 1996-03-14 | |
| Richard Edward Taylor | 1997-05-15 | |
| Richard Lawrence Taylor | 1995-03-09 | mathematician |
| Robert Taylor | 1737-06-23 | April 1710 – 15 May 1762 physician |
| Thomas Glanville Taylor | 1842-02-10 | 22 November 1804 – 4 May 1848 |
| William Taylor | 1934-05-03 | 11 June 1865 – 28 February 1937 Mechanical Engineer |
| William Taylor | 1836-01-21 | - ? 1870 |
| Thomas Pridgin Teale | 1862-06-05 | 1800 – 31 December 1867 English Surgeon |
| Thomas Pridgin Teale | 1888-06-07 | 28 June 1831 – 13 November 1923 English Surgeon |
| Jethro Justinian Harris Teall | 1890-06-05 | 5 January 1849 – 2 July 1924 |
| Michael Teighe | 1774-03-10 | - 30 August 1784 |
| George Lewis Teissier | 1725-11-04 | - 22 May 1742 Physician |
| Thomas Telford | 1827-05-31 | 9 August 1757 – 2 September 1834 |
| William Tempest | 1712-12-01 | 16 April 1682 – 15 August 1761 Barrister |
| George Frederick James Temple | 1943-03-18 | 2 September 1901 – 30 January 1992 |
| Henry John Temple, 3rd Viscount Palmerston | 1853-03-17 | 20 October 1784 – 18 October 1865 |
| Henry Temple, 2nd Viscount Palmerston | 1776-11-07 | 4 December 1739 – 16 April 1802 |
| Richard Temple | 1896-03-12 | 8 March 1826 – 15 March 1902 |
| James Francis Tennant | 1869-06-03 | 10 January 1829 – 6 March 1915 |
| Smithson Tennant | 1785-01-13 | 30 November 1761 – 22 February 1815 |
| John Van Brugh Tennent | 1765-06-13 | 1737–1770 Physician, Princeton Univ. |
| James Emerson Tennent | 1862-06-05 | 7 April 1804 – 6 March 1869 |
| Eustace Henry William Tennyson D'Eyncourt | 1921-05-12 | 1 April 1868 – 1 February 1951 |
| Charles Tennyson d'Eyncourt | 1829-02-19 | July 1784 – 21 July 1861 |
| Alfred Tennyson, 1st Baron Tennyson | 1865-06-01 | 6 August 1809 – 6 October 1892 Statute 12 |
| 2009-05-15 | Physicist UCL |
| Christopher Terne | 1663-05-20 | 1620 – 1 December 1673 (Original) Physician, London |
| Charles Terry | 1833-12-05 | - 8 June 1859 |
| Demetri Terzopoulos | 2014-04-30 | Computer Scientist, University of California, Los Angeles |
| Marc Trevor Tessier-Lavigne | 2001-05-10 | Medical Scientist |
| 2014-04-30 | Professor of Medicine, University of Oxford |
| Margaret Hilda Thatcher, Baroness Thatcher of Kesteven | 1983-06-30 | 13 October 1925 – 8 April 2013 Statute |
| James Theobald | 1725-11-04 | - 20 February 1759 |
| Frederic Thesiger, 1st Baron Chelmsford | 1845-06-19 | 15 April 1794 – 5 October 1878 |
| Louis Jean Le Thieuillier | 1750-02-22 | - 1751 French Physician |
| William Turner Thiselton-Dyer | 1880-06-03 | 28 July 1843 – 23 December 1928 |
| Alexander Thistlethwayte | 1757-04-21 | c. 1718 – 15 October 1771 |
| David Thoday | 1942-03-19 | 5 May 1883 – 30 March 1964 |
| John Marion Thoday | 1965-03-18 | 30 August 1916 – 25 August 2008 |
| Henry George Thode | 1954-03-18 | 10 September 1910 – 22 March 1997 |
| Frederic de Thom | 1729-11-06 | fl 1723–1736 |
| Christian David Thomas | 2012-04-19 | |
| Edward Thomas | 1871-06-08 | 31 December 1813 – 10 February 1886 Antiquarian |
| Edward Thomas | 1770-06-21 | - 1779 |
| Herbert Henry Thomas | 1927-05-12 | 13 March 1876 – 12 May 1935 |
| Honoratus Leigh Thomas | 1806-01-16 | 26 March 1769 – 26 June 1846 British Physician |
| Hugh Hamshaw Thomas | 1934-05-03 | 29 May 1885 – 30 June 1962 |
| Hywel Rhys Thomas | 2012-04-19 | |
| Jean Olwen Thomas | 1986-03-20 | |
| Jennifer Thomas | 2017-05-05 | |
| John Meurig Thomas | 1977-03-17 | |
| Meirion Thomas | 1949-03-17 | 28 December 1894 – 5 April 1977 Botanist, Newcastle Univ. |
| Michael Rogers Oldfield Thomas | 1901-06-06 | 21 February 1858 – 16 June 1929 |
| Noah Thomas | 1753-01-25 | 1720 – 17 May 1792 London Physician |
| Richard Thomas | 2015-05-01 | Mathematician |
| Robert Kemeys Thomas | 1998-05-14 | Physical Chemist, Oxford Univ. |
| Roger Christopher Thomas | 1989-03-16 | |
| Benjamin Thompson, Count Rumford | 1779-04-22 | 26 March 1753 – 25 August 1814 |
| D'Arcy Wentworth Thompson | 1916-05-11 | 2 May 1860 – 21 June 1948 |
| Harold Warris Thompson | 1946-03-21 | 15 February 1908 – 31 December 1983 |
| John Griggs Thompson | 1979-03-15 | |
| John Michael Tutill Thompson | 1985-03-21 | Mechanical Engineer |
| Peter Thompson | 1746-11-20 | - 1770,Kt, English Antiquarian |
| Robert Henry Stewart Thompson | 1974-03-21 | 2 February 1912 – 16 January 1998 Biochemist |
| Silvanus Phillips Thompson | 1891-06-04 | 19 June 1851 – 12 June 1916 |
| Theophilus Thompson | 1846-01-22 | 20 September 1807 – 11 August 1860 Physician |
| Thomas Perronet Thompson | 1828-11-20 | 15 March 1783 – 6 September 1869 |
| William Robin Thompson | 1933-05-11 | 29 June 1887 – 30 January 1972 Canadian biologist |
| Alexander Thomson | 1786-02-09 | 1744 – 15 April 1817 Lawyer |
| Allen Thomson | 1848-06-09 | 2 April 1809 – 21 March 1884 |
| Andrew James Thomson | 1993-03-11 | |
| George Paget Thomson | 1930-05-15 | 3 May 1892 – 10 September 1975 |
| James Thomson | 1821-12-20 | 6 February 1779 – 17 September 1850 |
| James Thomson | 1877-06-07 | 16 February 1822 – 8 May 1892 Engineer |
| John Thomson | 1824-06-03 | 15 March 1765 – 11 October 1846 Physician |
| John Deas Thomson | 1820-11-16 | c. 1763 – 21 February 1838 |
| John Millar Thomson | 1897-06-03 | 7 March 1849 – 22 March 1933 |
| Joseph John Thomson | 1884-06-12 | 18 December 1856 – 30 August 1940 |
| Robert Dundas Thomson | 1854-06-01 | 21 September 1810 – 17 August 1864 |
| Samuel Wells Thomson | 1770-11-08 | c. 1740 – ? September 1778 |
| Thomas Thomson | 1811-03-28 | 12 April 1773 – 2 July 1852 |
| Thomas Thomson | 1855-06-07 | 4 December 1817 – 18 April 1878 |
| William Thomson | 1786-03-16 | 1761 – Physician |
| William Thomson | 1863-02-19 | 11 February 1819 – 25 December 1890 |
| William Thomson, 1st Baron Kelvin | 1851-06-05 | 26 June 1824 – 17 December 1907 |
| Wyville Thomas Charles Thomson | 1869-06-03 | 5 March 1830 – 10 March 1882 |
| Ralph Thoresby | 1697-11-30 | 16 August 1658 – 16 October 1725 |
| Richard Thorne Thorne | 1890-06-05 | 13 October 1841 – 18 December 1899 |
| James Thornhill | 1723-05-02 | 1675 – 13 May 1734 |
| Edward Thornton | 1810-06-07 | 22 October 1766 – 3 July 1852 |
| Henry Gerard Thornton | 1941-03-20 | 22 January 1892 – 6 February 1977 UK Microbiologist |
| Henry Sykes Thornton | 1834-04-10 | 28 May 1800 – 29 November 1881 |
| Janet Maureen Thornton | 1999-05-13 | |
| John Isaac Thornycroft | 1893-06-01 | 1 February 1843 – 28 June 1928 |
| Charles Thorp | 1839-05-30 | 13 October 1783 – 10 October 1862 |
| Jocelyn Field Thorpe | 1908-05-07 | 1 December 1872 – 10 June 1940 |
| John Thorpe | 1705-11-30 | 12 March 1682 – 30 November 1750 antiquarian |
| Stephen Austen Thorpe | 1991-03-14 | |
| Thomas Edward Thorpe | 1876-06-01 | 8 December 1845 – 23 February 1925 |
| William Homan Thorpe | 1951-03-15 | 1 April 1902 – 7 April 1986 |
| David James Thouless | 1979-03-15 | 21 September 1934 – 6 April 2019 |
| Richard Threlfall | 1899-06-01 | 14 August 1861 – 10 July 1932 |
| Brian Arthur Thrush | 1976-03-18 | |
| Malachy Thruston | 1665-05-17 | c. 1628 – 3 June 1701 Physician |
| Henry Edward Landor Thuillier | 1869-06-03 | 10 July 1813 – 6 May 1906 Surveyor-General of India |
| Carl Peter Thunberg | 1788-04-03 | 11 November 1743 – 8 August 1828 |
| George Augustus Thursby | 1816-07-04 | c. 1771 – 17 January 1836 Reverend |
| George Henry Kendrick Thwaites | 1865-06-01 | 1811 – 11 September 1882 Botanist & Entomologist |
| Thomas Thynne, 1st Viscount Weymouth | 1664-11-23 | ? October 1640 – 28 July 1714 |
| John Lewis Tiarks | 1825-03-03 | 10 May 1789 – 1 May 1837 Astronomer |
| Robert Tibshirani | 2019-04-16 | 10 July 1956 – |
| Cheryll Anne Tickle | 1998-05-14 | |
| Friedrich Tiedemann | 1832-06-09 | 23 August 1781 – 22 January 1861 |
| Oscar Werner Tiegs | 1944-03-16 | 12 March 1897 – 5 November 1956 Australian zoologist |
| Mark Aloysius Tierney | 1841-02-25 | September 1795 – 19 February 1862 |
| Richard Tighe | 1708-11-30 | 1678 – 27 July 1736 |
| Robert Stearne Tighe | 1793-04-18 | 3 March 1760 – 28 May 1835 Antiquarian |
| William Augustus Tilden | 1880-06-03 | 15 August 1842 – 11 December 1926 |
| Shirley Marie Tilghman | 1995-03-09 | |
| James Edgar Till | 2000-05-11 | |
| Cecil Edgar Tilley | 1938-03-17 | 14 May 1894 – 24 January 1973 |
| Michelangelo Tilli | 1708-11-30 | 1655–1740 Italian Physician & Botanist |
| 2008-05-16 | |
| John Tillotson | 1672-01-25 | ? October 1630 – 22 November 1694 |
| Robin John Tillyard | 1925-05-07 | 31 January 1881 – 13 January 1937 |
| George Tilson | 1735-05-22 | c. 1672 – 17 November 1738 |
| 2008-05-16 | Microbiologist |
| Emanuele Timone | 1703-11-30 | 1665–1741 |
| Nikolaas Tinbergen | 1962-03-25 | 15 April 1907 – 21 December 1988 |
| Anthony Tissington | 1767-01-29 | 1703 – 21 March 1776 |
| Simon Andre Tissot | 1760-03-20 | 20 March 1728 – 15 June 1797 |
| Edward Charles Titchmarsh | 1931-05-07 | 1 June 1899 – 18 January 1963 |
| William Tite | 1835-04-02 | February 1798 – 20 April 1873 |
| Isaac Titsingh | 1797-06-22 | ? 1740 – 9 February 1812 Dutch physician.[2] |
| Silas Titus | 1669-01-14 | c. 1623 – December 1704 Politician. |
| Henry Thomas Tizard | 1926-05-06 | 23 August 1885 – 9 October 1959 |
| Thomas Henry Tizard | 1891-06-04 | 13 March 1839 – 17 February 1924 |
| Giuseppe Toaldo | 1777-06-05 | 11 July 1719 – 11 November 1797 |
| Phillip Vallentine Tobias | 1996-03-14 | 14 October 1925 – 7 June 2012 Anatomist |
| Alexander Robertus Todd, Baron Todd of Trumpington | 1942-03-19 | 2 October 1907 – 10 January 1997 |
| Charles Todd | 1930-05-15 | 17 September 1869 – ? 23 September 1957 Immunologist |
| Charles Todd | 1889-06-06 | 7 July 1826 – 29 January 1910 |
| John Arthur Todd | 1948-03-18 | 23 August 1908 – 22 December 1994 |
| 2009-05-15 | Geneticist, Cambridge Univ. |
| Robert Bentley Todd | 1838-02-08 | ? 7 April 1809 – 30 January 1860 physician |
| Isaac Todhunter | 1862-06-05 | 23 November 1820 – 1 March 1884 |
| Alexander Logie du Toit | 1943-03-18 | 14 March 1878 – 25 February 1948 |
| Petrus Johann du Toit | 1951-03-15 | 16 March 1888 – 13 November 1967 |
| John Francis Toland | 1999-05-13 | |
| Samuel Tolansky | 1952-03-20 | 17 November 1907 – 4 March 1973 spectroscopist |
| Wilbraham Tollemache, 6th Earl of Dysart | 1805-11-07 | 23 October 1739 – 9 March 1821 |
| David Tollervey | 2004-05-27 | |
| George Tollet | 1713-06-11 | c. 1684 – 30 November 1714 |
| Charles Sissmore Tomes | 1878-06-06 | 6 June 1846 – 24 October 1928 |
| John Tomes | 1850-06-06 | 21 March 1815 – 29 July 1895 |
| George Pretyman Tomline | 1785-03-17 | 9 October 1750 – 14 November 1827 |
| William Edward Tomline | 1812-11-19 | c. 1786 – 28 May 1836 |
| Charles Tomlinson | 1867-06-06 | 27 November 1808 – 15 February 1897 |
| Herbert Tomlinson | 1889-06-06 | 18 November 1846 – 12 June 1931 |
| Ian Tomlinson | 2019-04-16 | |
| Frederick Clifford Tompkins | 1955-03-17 | 29 August 1910 – 5 November 1995 |
| Robert Tompson | 1702-05-06 | c. 1676 – ? August 1713 |
| Nicholas Kester Tonks | 2001-05-10 | Microbiologist, Dundee Univ. |
| Andrew Tooke | 1704-11-30 | 1673 – 20 January 1732 |
| Thomas Tooke | 1821-03-22 | 29 February 1774 – 26 February 1858 |
| William Tooke | 1783-06-05 | ? 29 January 1744 – 17 November 1820 |
| William Tooke | 1818-03-12 | 22 November 1777 – 20 September 1863 |
| John Tooze | 1994-03-10 | Cancer Research,Imperial Cancer Research Fund |
| John Topham | 1779-04-15 | 6 January 1746 – 19 August 1803 |
| William Topley | 1888-06-07 | 13 March 1841 – 30 September 1894 |
| William Whiteman Carlton Topley | 1930-05-15 | 19 January 1886 – 21 January 1944 |
| Justus Johann Torkos | 1752-01-16 | 17 December 1699 – 29 October 1771 |
| Philip Torr | 2021-05-06 | |
| Robert Torrens | 1818-12-17 | 1780 – 27 May 1864 |
| Joseph Ignacio de Torres | 1758-12-07 | - 1807 |
| Alexander Torriano | 1691-11-30 | 2 October 1667 – February 1717 |
| Francesco Torti | 1717-11-14 | 30 November 1658 – 15 February 1741 |
| Giulio Carlo de' Toschi di Fagnano | 1723-11-30 | 6 December 1682 – 26 September 1766 |
| 2009-05-15 | |
| Charles Tough | 1750-02-22 | c. 1692 – 21 June 1754 |
| Christofer Toumazou | 2008-05-16 | |
| Charles Towneley | 1842-11-17 | 8 January 1803 – 4 November 1876 |
| John Towneley | 1797-05-04 | fl 1797–1814 Trustee, British Museum |
| Peregrine Edward Towneley | 1812-12-17 | c. 1763 – 31 December 1847 |
| Charles Townley | 1791-03-10 | 1 October 1737 – 3 January 1805 |
| George Townley | 1822-11-07 | c. 1777 – 3 November 1854 |
| Alain Robert Michael Townsend | 1992-03-12 |
| Albert Alan Townsend | 1960-03-24 |
| Isaac Townsend | 1750-02-22 | - 21 November 1765 |
| John Sealy Edward Townsend | 1903-06-11 | 7 June 1868 – 16 February 1957 |
| Paul Kingsley Townsend | 2000-05-11 |
| Richard Townsend | 1866-06-07 | 3 April 1821 – 16 October 1884 Irish mathematician. |
| Charles Townshend, 2nd Viscount Townshend | 1706-04-03 | 18 April 1675 – 21 June 1738 |
| George Townshend, 2nd Marquess Townshend | 1781-02-15 | 18 April 1755 – 27 July 1811 |
| Joseph Toynbee | 1842-03-10 | 30 December 1815 – 7 July 1866 |
| Bruno Tozzi | 1715-11-30 | 1656–1743 Botanist |
| John Montgomery Traherne | 1823-05-29 | 5 October 1788 – 5 February 1860 |
| James William Helenus Trail | 1893-06-01 | 4 March 1851 – 18 September 1919 |
| Ramsay Heatley Traquair | 1881-06-02 | 30 July 1840 – 24 November 1912 |
| Francesco Travagino | 1676-02-10 | c. 1613 – Mathematician |
| Benjamin Travers | 1815-11-16 | 3 April 1783 – 6 March 1858 |
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| Lloyd Nicholas Trefethen | 2005-05-26 |
| Anne Marie Treisman | 1989-03-16 |
| Richard Henry Treisman | 1994-03-10 |
| Scott Duncan Tremaine | 1994-03-10 |
| Abraham Trembley | 1743-05-19 | 3 September 1710 – 12 May 1784 |
| David Rostron Trentham | 1982-03-18 |
| John William Trevan | 1946-03-21 | 23 July 1887 – 13 October 1956 |
| George Macaulay Trevelyan | 1950-05-18 | 16 February 1876 – 21 July 1962 Statute 12 |
| John Trevor, 3rd Baron Trevor of Bromham | 1728-11-14 | ? August 1695 – 27 September 1764 |
| Robert Trevor, Viscount Hampden | 1764-12-13 | 17 February 1706 – 22 August 1783 |
| Thomas Trevor, 1st Baron Trevor of Bromham | 1707-12-01 | 8 March 1658 – 19 June 1730 |
| Thomas Trevor, 2nd Baron Trevor of Bromham | 1727-03-09 | c. 1692 – 22 March 1753 |
| Christoph Jacob Trew | 1746-04-17 | 26 April 1696 – 18 July 1769 |
| Anthony James Trewavas | 1999-05-13 |
| Mårten Triewald | 1731-07-01 | 18 November 1691 – 8 August 1747 |
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| Roland Trimen | 1883-06-07 | 29 October 1840 – 25 July 1916 |
| Henry Baker Tristram | 1868-06-04 | 11 May 1822 – 8 March 1906 |
| Théodore Tronchin | 1762-03-18 | 1709 – 30 November 1781 |
| Nicolo Troni | 1715-11-10 | 1685–1772 |
| John Trotter | 1802-07-08 | c. 1766 – 6 September 1833 |
| Wilfred Batten Lewis Trotter | 1931-05-07 | 3 November 1872 – 25 November 1939 |
| Edward Troughton | 1810-03-15 | October 1753 – 12 June 1835 |
| Robert Scott Troup | 1926-05-06 | 13 December 1874 – 1 October 1939 |
| Frederick Thomas Trouton | 1897-06-03 | 24 November 1863 – 21 September 1922 |
| Neil Sidney Trudinger | 1997-03-15 |
| Arthur Elijah Trueman | 1942-03-19 | 26 April 1894 – 5 January 1956 |
| William Trumbull | 1692-11-30 | 6 September 1639 – 14 December 1716 |
| Charles Brandon Trye | 1807-12-17 | 21 August 1757 – 7 October 1811 |
| Lap-Chee Tsui | 1991-03-14 |
| George Foster Tufnell | 1758-04-20 | 1723 – 10 July 1788 |
| Samuel Tufnell | 1709-05-04 | 5 September 1682 – 21 December 1758 MP for Maldon, Colchester and Gt Marlow |
| Samuel Tuke | 1663-05-20 | - 26 January 1674 Original |
| Charles Augustus Tulk | 1822-11-14 | 2 June 1786 – 16 January 1849 |
| James Tulloch | 1843-05-18 | - ? 1863 |
| Endel Tulving | 1992-03-12 |
| Marmaduke Tunstall | 1771-04-11 | 1743 – 11 October 1790 |
| Martin Tupper | 1835-02-05 | 1780 – 8 December 1844 |
| Martin Farquhar Tupper | 1845-04-10 | 17 July 1810 – 29 November 1889 |
| François Henri Turbilly | 1762-04-22 | 1712–1776 |
| Alan Mathison Turing | 1951-03-15 | 23 June 1912 – 7 June 1954 |
| Douglass Matthew Turnbull | 2019-04-16 | |
| Alan Turnbull | 2013-05-02 | |
| Herbert Westren Turnbull | 1932-05-05 | 31 August 1885 – 4 May 1961 |
| Hubert Maitland Turnbull | 1939-03-16 | 3 March 1875 – 29 September 1955 |
| John Turnbull | 1791-11-17 | c. 1740 – 8 August 1816 |
| Peter Evan Turnbull | 1817-06-05 | 1786 – ? 7 October 1852 |
| Thomas Smith Turnbull | 1831-03-17 | c. July 1794 – 24 March 1876 |
| Adair Turner, Baron Turner of Ecchinswell | 2016-04-29 | Honorary fellow |
| Bryan M. Turner | 2015-05-01 | Geneticist |
| Charles Hampden Turner | 1821-05-24 | - 17 March 1856 |
| David Warren Turner | 1973-03-15 |
| Dawson Turner | 1802-12-09 | 18 October 1775 – 20 June 1858 |
| Edmond Turner | 1714-03-11 | fl 1710–1722 |
| Edward Turner | 1830-03-04 | 24 June 1796 – 12 February 1837 Prof of Chemistry Univ of London |
| Eustace Ebenezer Turner | 1939-03-16 | 22 May 1893 – 8 September 1966 |
| George James Turner | 1865-03-16 | 5 February 1798 – 9 July 1867 |
| Grenville Turner | 1980-03-20 |
| Herbert Hall Turner | 1897-06-03 | 13 August 1861 – 20 August 1930 |
| James Johnson Turner | 1992-03-12 |
| (John) Stewart Turner | 1982-03-18 | 11 January 1930 – Australian geophysicist |
| Samuel Turner | 1801-01-15 | (19 April 1759 – 2 January 1802 Captain, East India Co. |
| Samuel Turner | 1815-12-21 | fl 1815 |
| Shallet Turner | 1741-03-26 | ? September 1692 – 13 November 1762 |
| Tomkyns Hilgrove Turner | 1804-12-06 | 12 January 1764 – 7 May 1843 |
| William Turner | 1877-06-07 | 7 January 1832 – 15 February 1916 Prof of Anatomy, Edinburgh |
| William Ernest Stephen Turner | 1938-03-17 | 22 September 1881 – 27 October 1963 |
| Charles Turnor | 1839-05-09 | 10 August 1768 – 12 January 1853 |
| Edmund Turnor | 1786-06-15 | 1755–1829 MP for Midhurst |
| John Turnor | 1682-11-08 | c. 1660 – 10 July 1719 |
| William Bertram Turrill | 1958-03-20 | 14 June 1890 – 15 December 1961 |
| John Turton | 1763-11-17 | 15 November 1735 – 14 April 1806 |
| Edward William Tuson | 1838-04-05 | 25 March 1802 – 10 December 1865 Surgeon |
| George Leman Tuthill | 1810-03-15 | 16 February 1772 – 7 April 1835 |
| Thomas Gaskell Tutin | 1982-03-18 | 21 April 1908 – 7 October 1987 |
| Winifred Anne Tutin | 1979-03-15 | 8 October 1915 – 1 May 2007 |
| William Thomas Tutte | 1987-03-19 | 14 May 1917 – 2 May 2002 |
| Alfred Edwin Howard Tutton | 1899-06-01 | 22 August 1864 – 14 July 1938 |
| Alexander Tweedie | 1838-02-08 | 29 August 1794 – 30 May 1884 |
| Charles Tweedie | 1819-01-14 | fl 1799–1821 |
| Peter John Twin | 1993-03-11 |
| Richard Twining | 1834-06-05 | 5 May 1772 – 14 October 1857 Tea merchant |
| Richard Twiss | 1774-06-09 | 26 April 1747 – 5 March 1821 Traveller and writer |
| Travers Twiss | 1838-03-15 | 19 March 1809 – 14 January 1897 |
| Frederick William Twort | 1929-05-02 | 22 October 1877 – 30 March 1950 |
| Frank Twyman | 1924-05-15 | 17 November 1876 – 6 March 1959 |
| John Maxwell Tylden | 1820-04-13 | 25 September 1787 – 18 May 1866 Army Officer |
| John Tylney, 2nd Earl Tylney of Castlemaine | 1746-12-11 | ? 1712 – 17 September 1784 |
| Edward Burnett Tylor | 1871-06-08 | 2 October 1832 – 2 January 1917 |
| Arthur Mannering Tyndall | 1933-05-11 | 18 September 1881 – 29 October 1961 |
| John Tyndall | 1852-06-03 | 2 August 1820 – 4 December 1893 |
| Thomas Tyndall | 1762-11-11 | - 7 September 1766 |
| Charles John Kemys Tynte | 1834-12-18 | 9 April 1800 – 16 September 1882 |
| David Arthur John Tyrrell | 1970-03-19 | 19 June 1925 – 2 May 2005 |
| Thomas Tyrwhitt | 1771-02-28 | 27 March 1730 – 15 August 1786 |
| Edward Tyson | 1679-12-01 | 1650 – 1 August 1708 |
| Michael Tyson | 1779-02-11 | 19 November 1740 – 4 May 1780 | |
