- Repentance--Islam1
- Revelation--Islam1
- Revenge1
- Right of property (Islamic law)1
- Risālah al-Ḥusaynīyah1
- Rites and ceremonies1
- Rodents--Religious aspects--Islam1
- Romances, Turkish1
- Romania1
- Roosters1
- Rules1
- Rustam (Legendary character)1
- Rāgamālā painting1
- Rāghib, Muḥammad, 1698 or 1699-1762 or 17631
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Rūmī, ʻAbd Allāh ibn ʻAbd Allāh, d. 15791
- Sabzavārī, Hādī ibn Mahdī, b. 1797 or 8. Tālīqāt ʻalá Asrār al-āyāt1
- Saints musulmans--Biographies--Ouvrages avant 18001
- Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, active 12th century. Waqf wa-al-ibtidāʼ1