Author
- Sadr al-Din al-Qunawi2
- Sadreddinzade Şirvani2
- Safi al-Din al-Urmawi2
- Sarvajñātman2
- Sayyed Ibn Tawus2
- Shahab al-Din al-Hijazi2
- Shalom Sharabi2
- Shams al-Dīn al-Samarqandī2
- Sharif al-Murtadha2
- Sijzi2
- Simeon ben Zemah Duran2
- Siraj ud-Din Muhammad ibn Abd ur-Rashid Sajawandi2
- Solomon Almoli2
- Surkhāb2
- Syihabuddin al-Qaliyubi2
- Taddeo Alderotti2
- Terence2
- Theodosius of Bithynia2
- Thomas à Kempis2
- Varāhamihira2