- Riddles, Arabic1
- Riddles, Persian1
- Rifāʻī, Aḥmad ibn ʻAlī, 1106?-11821
- Rifāʻīyah1
- Risālah al-waḍʻīyah (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Risālah fī al-tawḥīd (Jaʻbarī, Arslān ibn Yaʻqūb)1
- Roosters1
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)1
- Rīzawī, ʻUthmān Ṣabrī ibn Ismāʻīl, active 19th century. Risālah al-jadīdah fī al-waḍʻ1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah1
- Samarqandī, Abū al-Qāsim ibn Abī Bakr, active 15th century. Risālah al-Samarqandīyah fī al-istiʻārāt1
- Samarqandī, Muḥammad ibn Ashraf, active 13th century. Risālah fī ādāb al-baḥth1
- Saudi Arabia--Badr Ḥunayn1
- Saudi Arabia--Hejaz1
- Saudi Arabia--Zamzam Well1
- Science1
- Second Advent1
- Selim II, Sultan of the Turks, 1524-15741
- Shams Maghribī, Muḥammad Shīrīn, 1349?-1406 or 1407. Jām-i Jahānʹnumā1
- Shamsīyah (Qazwīnī, ʻAlī ibn ʻUmar)1