- Rent (Islamic law)1
- Rhetoric1
- Riddles, Arabic1
- Riddles, Persian1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Rodents--Religious aspects--Islam1
- Russia (Federation)--Dagestan1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Sakhāwī, Muḥammad ibn Muḥammad. Durrah al-bahīyah fī al-masāʼil al-fiqhīyah1
- Sales (Islamic law)1
- 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
- Sanūsī, Muḥammad ibn Yūsuf, approximately 1427-approximately 1490. Umm al-barāhīn1
- Satellites--Phases1
- Saudi Arabia--Badr Ḥunayn1
- Saʻīdī, Mīr Abū al-Fatḥ ibn Makhdūm, active 16th century. Ḥāshiyah ʻalá al-ʻAḍudīyah1
- Science1
- Selim II, Sultan of the Turks, 1524-15741
- Shahīd al-Awwal, Muḥammad ibn Makkī, 1333 or 1334-1380. Durūs al-sharʻīyah fī fiqh al-Imāmīyah1