- Rasāʼil (Anṣārī, Murtaḍá ibn Muḥammad Amīn)2
- Real property (Islamic law)2
- Rent (Islamic law)2
- Rhetoric2
- Riddles, Persian2
- Riyāḍ al-ṣāliḥīn (Nawawī)2
- Romances, Arabic2
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt2
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá2
- Sacred works2
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd2
- Sales (Islamic law)2
- Salutations--Religious aspects--Islam2
- Samaritan religious poetry2
- Samaritans2
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, 15th cent. Risālah al-Samarqandīyah2
- Samarqandī, Muḥammad ibn Yūsuf, -1160 or 1161. Fiqh al-nāfiʻ2
- 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