Author
- Shams al-Din al-Sakhawi2
- Shihāb al-Dīn al-Khafājī2
- Shihāb al-Dīn ibn ʻAlāʼ al-Dīn Tūqātī2
- Sibawayh2
- Sibṭ ibn al-ʻAjamī2
- Sicco Polenton2
- Sipahizade Mehmet bin Ali2
- Siraj ud-Din Muhammad ibn Abd ur-Rashid Sajawandi2
- Sirāj al-Dīn Abū Ḥafṣ ʻUmar Ibn al-Wardī2
- Sixtus V2
- Somayāji Rāmacandra2
- Srinatha2
- Stephan Brechtel2
- Surkhāb2
- Swami Rāmānanda2
- Süleyman Neş'et2
- Sūryaśrī Daivajña2
- Thomas More2
- Thomas of Capua2
- Thomas à Kempis2