- Sarasvatī (Hindu deity)5
- Satellites--Phases5
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah5
- Science, Medieval5
- Sefer ḳedushah (Maimonides, Moses)5
- Sententiarum libri IV (Peter Lombard, Bishop of Paris)5
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)5
- Shaʻbān5
- Shiites--Biography5
- Shādhilī, Abū al-Ḥasan ʻAlī ibn ʻAbd Allāh, approximately 1196-1258. Ḥizb al-baḥr5
- Simḥat Torah--Liturgy5
- Smallpox--Religious aspects5
- Soma (Hindu deity)5
- Songs, Sanskrit5
- Spain--Aragon5
- Spain--Catalonia5
- Spain--Toledo5
- Sukkot (Samaritan)5
- Suyūṭī, 1445-15055
- Switzerland5