Author
- Richard de Fournival1
- Riḍwān ibn ʻAbd Allāh Razzāz1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Zaragoza1
- Rudradeva1
- Rudradhara1
- Rājiḥ ibn Ismāʻīl Ḥillī1
- Rāma Daivajña1
- Rāmacandra (Son of Bālakṛsṇānada)1
- Rāmacandrācārya1
- Rāmadāra1
- Rāmakr̥ishṇa Bhaṭṭa1
- Rāmānandasarasvatī1
- Rūmī, Bāyazīd ibn Yūsuf, d. 1494 or 51
- Rṣiśarman1
- Sacro Regio Consiglio1
- Sadr al-Din al-Qunawi1
- Sadreddinzade Şirvani1
- Sadāśivaśāstri Sahasabudhya1
- Safi Al-Din Al-Hilli Altaie1