| [A2037] | Heinrich Sellarius (ca 16th century) | person | author |
| [A960] | Nicolaus Selnecker (6 December 1530 - 24 May 1592) | person | contributor |
| [A446] | Andreas Seltzlin (died 1606) | person | author |
| [A1822] | Lucius Annaeus Seneca the Elder (ca 55 BCE - ca 39 BCE) | person | represented actor |
| [A1548] | Lucius Annaeus Seneca the Younger (ca 4 BCE - 65) | person | represented actor |
| [A3199] | Sergius I (ca 650 – 8 September 701) | person | represented actor |
| [A3198] | Sergius III (ca 860 − 14 April 911) | person | represented actor |
| [A2186] | Wilhelm Serlin (1625 - 1674) | person | printer |
| [A1332] | Michael Servetus (1511 - 27 October 1553) | person | |
| [A2470] | Pavel Sessius (fl. 1606 - 1630) | person | printer |
| [A2319] | Jacques de Sève (fl. 1742 - 1788) | person | designer, draughtsman |
| [A1820] | Jan (II) Severin (ca 1500 - 4 April 1545/6 April 1545) | person | printer |
| [A41] | Pavel Severin (ca 1500 - ca 1554) | person | printer |
| [A1127] | Severus Alexander (Roman emperor) (1 October 208 - ca 19 March 235) | person | represented actor |
| [A2450] | Severus II (Roman emperor) (died September 307) | person | represented actor |
| [A3565] | Willem Sewel (1653 - 1720) | person | |
| [A2745] | Sextilia (ca 5 BCE - 69) | person | represented actor |
| [A1551] | Sextus Empiricus (fl. mid-late 2nd century) | person | represented actor |
| [A2526] | Wojciech Sękowski (1556 - 28 April 1609) | person | dedicatee, represented actor |
| [A364] | Bona Sforza (2 February 1494 - 19 November 1557) | person | dedicatee, recipient, represented actor |
