- Qurʼan. Sūrat al-Mulk1
- Qurʼan. Sūrat Ṭāhā1
- Rainbows1
- Real property (Islamic law)1
- Religious life1
- Riddles, Persian1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz1
- Sales (Islamic law)1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Samtī, Yūsuf ibn Khālid, -805 or 8061
- Seventeenth century1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shiites1
- Shurūṭ al-ṣalāh1
- Shādhilīyah1
- Smoking (Islamic law)1
- Soul--Islam1
- Sources1
- Sufism--Customs and practices1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1