- Silvestri, Jacopo, active 16th century20
- Silvestro, Giacomo di5
- Silvestro, Jacopo di1
- Simile1
- Simon, de Cremona, -13901
- Simone, Francesco di1
- Sin--Christianity1
- Sin--Hinduism5
- Sin--Islam3
- Since 6401
- Sirāj Allāh, Muḥammad, active 19th century. Sirāj-i anjan.--Daftar 21
- Sita (Hindu deity)12
- Sittūn masʼalah fī al-fiqh (Zāhid, Aḥmad ibn Muḥammad)1
- Situnah1
- Siva (Hindu deity)79
- Siwāsī, Muṣṭafá ibn Abī Bakr, d. 1824 or 5. Mafātīḥ al-durrīyah fī ithbāt al-qawānīn al-Darīyah1
- Sixteenth century660
- Sixtus IV, Pope, 1414-14841
- Skvira Hasidim1
- Slavery1