- Real property (Islamic law)2
- Religion and politics2
- Rent (Islamic law)2
- Revelation--Islam2
- Rhetoric2
- Rifāʻī, Aḥmad ibn ʻAlī, 1106?-11822
- Risālah fī al-tawḥīd (Jaʻbarī, Arslān ibn Yaʻqūb)2
- Roosters2
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt2
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá2
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd2
- Sales (Islamic law)2
- Salutations--Religious aspects--Islam2
- Samaritans2
- Samarqandī, Muḥammad ibn Ashraf, 13th cent. Risālah fī ādāb al-baḥth2
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ṣaḥāʼif al-ilāhīyah2
- Sanjaq Dār, Muḥammad al-Sharīf, active 17th century. Zīj2
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Mukhtaṣar fī al-manṭiq2
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn2
- Sayings2