- Sikhism1
- Silk industry1
- Simile1
- Sin--Christianity1
- Sin--Islam1
- Since 6401
- Sittūn masʼalah fī al-fiqh (Zāhid, Aḥmad ibn Muḥammad)1
- Siwāsī, Muṣṭafá ibn Abī Bakr, d. 1824 or 5. Mafātīḥ al-durrīyah fī ithbāt al-qawānīn al-Darīyah1
- Sixtus IV, Pope, 1414-14841
- Sleep--Religious aspects--Islam1
- Soderini, Giovanni di Luigi1
- Solidus1
- Solomon, King of Israel1
- Solomon, King of Israel, in the Qurʼan1
- Soma1
- Songs, Sanskrit1
- Southern Arabia1
- Space and time--Religious aspects--Islam1
- Spain--Burgos1
- Spain--Castilla y León1