- Shiites1
- Shirwānī, Muḥammad al-Amīn ibn Ṣadr al-Dīn, d. 1626 or 7. Jihat al-waḥdah1
- Shāfiʻī, Muḥammad ibn Idrīs, 767 or 768-8201
- Shīʻah1
- Sibṭ al-Māridīnī, Badr al-Dīn Muḥammad ibn Muḥammad, 1423- Lumʻah al-Māridīnīyah fī sharḥ al-Yāsamīnīyah1
- Sin--Islam1
- Siwāsī, Muṣṭafá ibn Abī Bakr, d. 1824 or 5. Mafātīḥ al-durrīyah fī ithbāt al-qawānīn al-Darīyah1
- Soul--Islam1
- Stamps1
- Sufis1
- Sufism--Doctrines1
- Sunna1
- Suyūṭī, 1445-1505. Tanzīh al-anbiyāʼ ʻan tasfīh al-aghbiyāʼ1
- Tables1
- Taqlīd1
- Taʻlīm al-mutaʻallim ṭarīq al-taʻallum (Zarnūjī, Burhān al-Dīn)1
- Temptation (Islam)1
- Tenth of Muḥarram1
- Thirteenth century1
- Time measurements1