Author
- Rajab ʻAlī Beg Surūr1
- Ramacandra Tīrtha1
- Ramananda1
- Ramaḍān Ḥalāwah1
- Ramon Llull1
- Raphael Kaẓin1
- Raphael Levi Hannover1
- Ravana1
- Raymond of Penyafort1
- Raymond of Sabunde1
- Rayḥān Āghā ibn ʻAbd Allāh1
- Refael Mordekhai Malki1
- Refiʻı̂1
- Republic of Venice1
- Revanî1
- Reynoldus Romanus1
- Richard de Fournival1
- Robert Ashley1
- Robert Cooke1
- Robert de Saint-Martin1