- Rāma (Hindu deity)1
- 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--Mecca1
- Saudi Arabia--Medina1
- Self (Philosophy)1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Shīʻah1
- Siva (Hindu deity)1
- Spring1
- Sprinkled papers1
- Sufis1
- Sufism1
- Sullam (Akhḍarī, ʻAbd al-Raḥmān ibn Muḥammad)1
- Suyūṭī, 1445-1505. Itmām al-dirāyah sharḥ al-Nuqāyah1
- Symbolism1
- Tables (Data)1
- Talkhīṣ Miftāḥ al-ʻulūm (Qazwīnī, Jalāl al-Dīn Muḥammad ibn ʻAbd al-Raḥmān)1
- Talkhīṣ aʻmāl al-ḥisāb (Ibn al-Bannāʼ, Aḥmad ibn Muḥammad)1