- Silvestro, Jacopo di1
- Simeon bar Yoḥai, active 2nd century1
- Simile1
- Simon, de Cremona, -13901
- Simone, Francesco di1
- Simony1
- Simḥah ben Mesabar1
- Sin, Venial1
- Sin--Christianity1
- Sin--Jainism1
- Since 6401
- Singing--Instruction and study1
- Sinhalese poetry1
- Sint-Pietersabdij (Ghent, Belgium)1
- Sirāj (Maimonides, Moses)1
- Sirāj Allāh, Muḥammad, active 19th century. Sirāj-i anjan1
- Sirāj Allāh, Muḥammad, active 19th century. Sirāj-i anjan.--Daftar 11
- Sirāj Allāh, Muḥammad, active 19th century. Sirāj-i anjan.--Daftar 21
- Sittūn masʼalah fī al-fiqh (Zāhid, Aḥmad ibn Muḥammad)1
- Situnah1