- Qānūn fī al-ṭibb (Avicenna)1
- Qūshjī, ʻAlī ibn Muḥammad, -1474 or 1475. Fatḥīyah1
- Recitations1
- Religious calendars1
- Religious life1
- Religious life--Islam1
- Resurrection (Islam)1
- Rāma (Hindu deity)1
- Rāma Daivajña, active 17th century. Muhūrtacintāmaṇi1
- Samaritans1
- Sanjaq Dār, Muḥammad al-Sharīf, active 17th century. Zīj1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Sharḥ al-Mukhtaṣar fī al-manṭiq1
- Saudi Arabia--Medina1
- Scales (Weighing instruments)1
- Science, Medieval1
- Self (Philosophy)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Sharḥ Īsāghūjī (Kātī, Ḥusām al-Dīn al-Ḥasan)1