- Rhetoric1
- Riddles, Arabic1
- Riddles, Persian2
- Riddles, Turkish4
- Rifāʻī, Aḥmad ibn ʻAlī, 1106?-11821
- Right of property (Islamic law)1
- Romances, Turkish1
- Russia (Federation)--Saint Petersburg1
- Rāghib, Muḥammad, 1698 or 1699-1762 or 17631
- Salat9
- Sales (Islamic law)1
- Salutations--Religious aspects--Islam1
- 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-istiʻārāt3
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs2
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Satellites--Phases1
- Satire, Turkish3
- Saudi Arabia--Mecca13
- Saudi Arabia--Medina7