- Romances1
- Romaniots1
- Ros Pelayre, Miguel1
- Royal houses1
- Rucellai, Guglielmo de'1
- Rufina, Saint, -approximately 2871
- Rules1
- Russia (Federation)--Saint Petersburg1
- Rustam, Amir-zadeh, Sultan1
- Rüstem Paşa Camii (Istanbul, Turkey)1
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. Muḥarrar1
- Rāmizah fī ʻilmay al-ʻarūḍ wa-al-qāfiyah (Khazrajī, ʻAbd Allāh ibn ʻUthmān)1
- Rāzī, Fakhr al-Dīn Muḥammad ibn ʻUmar, 1149 or 1150-1210. Lubāb al-Ishārāt1
- Sabbath--Liturgy1
- Sacred vocal music1
- Sacrifice--Hinduism1
- Saints1
- Sajʻ1
- Sakhāwī, ʻAlī ibn Muḥammad, 1163?-1245. ʻUmdat al-mujīd fī al-naẓm wa-al-tajwīd1
- Salt mines and mining1