- Salat1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Samtī, Yūsuf ibn Khālid, -805 or 8061
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Sexual ethics--Religious aspects1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shaʻbān1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr1
- Shādhilīyah1
- Shāfiʻī, Muḥammad ibn Idrīs, 767 or 768-8201
- Shīʻah1
- Smoking (Islamic law)1
- Sufism--Customs and practices1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Sunnites1
- Swimming1
- Syria1