- Ramlī, Aḥmad ibn Aḥmad, -1563 or 1564. Shurūṭ al-maʼmūm wa-al-imām1
- Ramlī, Muḥammad ibn Aḥmad, 1513-1596. Sharḥ al-Sittīn masʼalah1
- Rasāʼil (Anṣārī, Murtaḍá ibn Muḥammad Amīn)1
- Real property (Islamic law)1
- Recitations1
- Religious life1
- Rhetoric1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rodents--Religious aspects--Islam1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. Muḥarrar1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. ʻAzīz ʻalá al-Wajīz1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Sabzavārī, Hādī ibn Mahdī, 1797 or 1798- Nibrās al-hudá1
- Sakhāwī, Muḥammad ibn Muḥammad. Durrah al-bahīyah fī al-masāʼil al-fiqhīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Sharḥ al-Waḍʻīyah1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Ashkāl al-taʼsīs1
- Samarqandī, Muḥammad ibn Yūsuf, d. 1160 or 61. Multaqaṭ1
- Saudi Arabia--Badr Ḥunayn1
- Saudi Arabia--Hejaz1
- Science1