Author
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Zaragoza1
- Rutilius Taurus Aemilianus Palladius1
- Ruzbihan Baqli1
- Saadia Gaon1
- Sacro Regio Consiglio1
- Safi al-Din al-Urmawi1
- Saʻīd Najm al-Dīn ʻAjamī1
- Seifrit1
- Seneca1
- Shams-ud-Din Kermani1
- Sheikh Bedreddin1
- Shem Tov ben Joseph ben Shem Tov Ibn Shem Tov1
- Sibt al-Maridini1
- Sidrac1
- Simeon ben Zemah Duran1
- Simon Bredon1
- Simon of Cremona1
- Simone d' Angelo1
- Siraj ud-Din Muhammad ibn Abd ur-Rashid Sajawandi1