Author
- Sebastian Schindler1
- Seifrit1
- Senate of the Republic of Venice1
- Seneca1
- Sextus Empiricus1
- Sidrac1
- Sigismund1
- Sigmund Hintterkircher1
- Signoria of Florence1
- Simone Gondi1
- Simone di Nicolo Petroni1
- Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī1
- Smoyel1
- Society of Jesus1
- Society of Saint Anne (Malogoszcz, Poland)1
- Stato Nuovo of Siena1
- Stefano d'Andrea1
- Stephan Brechtel1
- Stephen Batman1
- Taddea Salamon1