Author
- Sarrazius de Bethencourt1
- Scipione Bargagli1
- Sebastião Lopes1
- Seigan Majima1
- Seigneury de Brousses1
- Senate of the Republic of Venice1
- Sensatus1
- Sextus Empiricus1
- Sextus the Pythagorean1
- Shelomo Suleiman Al-Sanjary1
- Shem Tov ben Abraham ibn Gaon1
- Sidonius Apollinaris1
- Sidrac1
- Sigismund1
- Signoria of Florence1
- Simon Canu1
- Simon de Bon1
- Simon de Lenis1
- Simone Cordo1
- Simone di Nicolo Petroni1