- Qurʼan. Sūrat al-Ikhlāṣ1
- Reasoning1
- Resurrection (Islam)1
- Rhetoric1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá1
- Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, active 12th century. Waqf wa-al-ibtidāʼ1
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd1
- Salat1
- Saudi Arabia--Badr Ḥunayn1
- Shāṭibī, al-Qāsim ibn Fīrruh, 1144-1194. ʻAqīlat atrāb al-qaṣāʼid fī asná al-maqāṣid1
- Shīʻah--Customs and practices1
- Solitude--Religious aspects--Islam1
- Soul--Islam1
- Sources1
- Stamps (Provenance)1
- Sufism1
- Sufism--Doctrines1
- Suyūṭī, 1445-15051
- Suyūṭī, 1445-1505. Tanzīh al-anbiyāʼ ʻan tasfīh al-aghbiyāʼ1
- Symbolism1