- Quadrants (Astronomical instruments)1
- Qāmūs al-muḥīṭ (Fīrūzābādī, Muḥammad ibn Yaʻqūb)1
- Religious life1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah1
- Sharḥ al-Wiqāyah (Maḥbūbī, ʻUbayd Allāh ibn Masʻūd)1
- Sharḥ al-ʻAqāʼid al-ʻAḍudīyah (Dawwānī, Muḥammad ibn Asʻad)1
- Shiite authors1
- Shīʻah1
- Shīʻah--Customs and practices1
- Shīʻah--Doctrines1
- Smoking (Islamic law)1
- Sources1
- Sufi chants1
- Söilemzādeh, ʻAbd al-Ḥalīm. Bahjat al-albāb fī ʻilm al-usturlāb1
- Talismans1
- Time measurements1
- Time perspective1
- Timekeeping1