- Real property (Islamic law)1
- Reasoning1
- Religion1
- Religion and politics1
- Religions1
- Religious life1
- Repentance--Islam1
- Revelation--Islam1
- Riddles1
- Riddles, Arabic1
- Riddles, Persian1
- Riddles, Turkish1
- Rodents--Religious aspects--Islam1
- Roosters1
- Russia (Federation)--Tarki1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. Muḥarrar1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá1
- Sajāwandī, Sirāj al-Dīn Muḥammad ibn Muḥammad, active 12th century. Waqf wa-al-ibtidāʼ1
- Sakhāwī, Muḥammad ibn Muḥammad. Durrah al-bahīyah fī al-masāʼil al-fiqhīyah1