- Sharḥ Īsāghūjī (Kātī, Ḥusām al-Dīn al-Ḥasan)1
- Shaybānī, Muḥammad ibn al-Ḥasan, approximately 750-804 or 8051
- Shaykhī--Doctrines1
- Shaʻbān1
- Shihāb al-Dīn Aḥmad ibn Maḥmūd. Farāʼiḍ Shihāb al-Dīn1
- Shāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Shīʻah--Rituals1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Sharḥ al-Raḥbīyah1
- Sleep--Religious aspects--Islam1
- Solomon, King of Israel1
- Solomon, King of Israel, in the Qurʼan1
- Soul--Islam--History of doctrines1
- Spiritual life--Islam1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Suhrawardīyah1
- Sunna1
- Sunnites1
- Swimming1
- Symbolism1
- Syria--Damascus1