- Qurʼan. Sūrat al-Baqarah1
- Qurʼan. Sūrat al-Mulk1
- Ramiro II, King of Leon, -9511
- Real property1
- Recitations1
- Religious life1
- Responsa1
- Resurrection (Islam)1
- Rifāʻīyah1
- Right of property (Islamic law)1
- Roderick, King of the Visigoths, -711?1
- Rome (Empire)1
- Rüstem Paşa Camii (Istanbul, Turkey)1
- San Miguel, Josefa de, active 1683-16851
- Sancho II, King of Castile and Leon, 1037 or 1038-10721
- Sancho IV, King of Castile and Leon, 1257-12951
- Saudi Arabia--Mecca1
- Saudi Arabia--Medina1
- Science1
- Selim II, Sultan of the Turks, 1524-15741