- Qurʼan. Sūrat Ṭāhā1
- Ramadan1
- Rasāʼil (Anṣārī, Murtaḍá ibn Muḥammad Amīn)1
- Reading1
- Riddles, Persian1
- Rifāʻī, Aḥmad ibn ʻAlī, 1106?-11821
- 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
- Saudi Arabia--Badr Ḥunayn1
- Sexual ethics--Religious aspects1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-Samarqandīyah fī al-balāghah (Mullawī, Aḥmad ibn ʻAbd al-Fattāḥ)1
- Shaykhī1
- Shaykhī--Doctrines1
- Shaʻbān1
- Shiites1
- Shāfiʻī, Muḥammad ibn Idrīs, 767 or 768-8201
- Shīʻah--Customs and practices1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Risālah al-fatḥīyah1
- Sin--Islam1