- Rhetoric1
- Riddles, Arabic1
- Risālah (Ibn Abī Zayd al-Qayrawānī, ʻAbd Allāh ibn ʻAbd al-Raḥmān)1
- Sales (Islamic law)1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Satellites--Phases1
- Saudi Arabia--Medina1
- Shafiites1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Samarqandīyah fī al-balāghah (Mullawī, Aḥmad ibn ʻAbd al-Fattāḥ)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Muqaddimah al-ʻIzzīyah1
- Shāfiʻī, Muḥammad ibn Idrīs, 767 or 768-8201
- Shīrāzī, Shukr Allāh ibn Qāsim. Mufīd al-Mukhtaṣar1
- Shīʻah--Doctrines1
- Smoking (Islamic law)1
- Soul--Islam1
- Sudan--Kordofan (Province)1
- Terminology1