- Rifāʻīyah1
- Roosters1
- Rosh ha-Shanah--Liturgy1
- Rāvaṇa (Hindu mythological character)1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Sabbath--Liturgy1
- Sabbathaians1
- Sarasvatī (Hindu deity)1
- Sati1
- Saudi Arabia--Hejaz1
- Seder--Liturgy1
- Sefer Yeẓirah1
- Sefirot (Cabala)1
- Selim II, Sultan of the Turks, 1524-15741
- Sex--Religious aspects--Islam1
- Shabbethai Tzevi, 1626-16761
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i Jahānʹnumā1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1
- Sharḥ Shamsīyah (Quṭb al-Taḥtānī, Muḥammad ibn Muḥammad)1
- Sharḥ al-ʻAqāʼid al-Nasafīyah (Taftāzānī, Masʻūd ibn ʻUmar)1