- Religious life1
- Riddles, Persian1
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1
- Salat1
- Samtī, Yūsuf ibn Khālid, -805 or 8061
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Muqaddimah1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. ʻAqīdah al-ṣughrá1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shiites1
- Shurūṭ al-ṣalāh1
- Shāfiʻī, Muḥammad ibn Aḥmad, 1436 or 1437-1499 or 1500. Tuḥfat al-ʻibād bi-mā yajibu min al-iʻtiqād1
- Shīʻah--Doctrines1
- Signification (Logic)1
- Smoking (Islamic law)1
- Solomon, King of Israel1
- Solomon, King of Israel, in the Qurʼan1
- Sufi chants1
- Sufism--Rituals1
- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)1
- Syria1