- Siege of Acre (Acre, Israel : 1799)1
- Silence--Religious aspects--Islam1
- Simile1
- Since 6401
- 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
- Siwāsī, Muṣṭafá ibn Abī Bakr, d. 1824 or 5. Mafātīḥ al-durrīyah fī ithbāt al-qawānīn al-Darīyah1
- Slavery (Islamic law)1
- Sleep--Religious aspects--Islam1
- Smallpox--Vaccination1
- Snakes1
- Social medicine1
- Solomon, King of Israel, in the Qurʼan1
- Soul--Islam--History of doctrines1
- Southern Arabia1
- Space and time--Religious aspects--Islam1
- Spherical trigonometry1
- Spices1