- Reading1
- Repentance--Islam1
- Resurrection (Islam)1
- Riddles, Persian1
- Samtī, Yūsuf ibn Khālid, -805 or 8061
- Saudi Arabia--Medina1
- Shahīd al-Awwal, Muḥammad ibn Makkī, 1333 or 1334-1380. Alfīyah fī al-ṣalāh al-yawmīyah1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Shurūṭ al-ṣalāh1
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-naṣr1
- Shīʻah--Doctrines1
- Solomon, King of Israel1
- Solomon, King of Israel, in the Qurʼan1
- Soul--Islam1
- Sources1
- Sufi chants1
- Sufis1
- Sufism--Doctrines1
- Suhrawardī, ʻUmar ibn Muḥammad, 1145-1234. ʻAwārif al-maʻārif1
- Tajrīd al-iʻtiqād (Ṭūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad)1