- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Muqaddimāt1
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah1
- Shafiites1
- Sharḥ al-Mawāqif (Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf)1
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)1
- Shaykhī1
- Shaykhī--Doctrines1
- Shādhilīyah1
- Shīʻah1
- Sufism--Customs and practices1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? Jawāhir al-muntaẓimāt fi ʻUqūd al-maqūlāt1
- Sujāʻī, Aḥmad ibn Aḥmad, -1783? ʻUqūd al-maqūlāt1
- Sunnites1
- Symbolism1
- Syria1
- Sājaqlīzādah, Muḥammad ibn Abī Bakr, -1737. Tartīb al-ʻulūm1
- Terms and phrases1
- Theodicy1