Author
- Ranuccio Farnese1
- Raphael Levi Hannover1
- Rapolano Terme1
- Raymond of Sabunde1
- Rayḥān Āghā ibn ʻAbd Allāh1
- Refiʻı̂1
- Richard Bolter1
- Richard Burdet1
- Richard Ward1
- Richard de Fournival1
- Richard de Geveldale1
- Robert Reade1
- Robine Bordinelle1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Royal Chancellery of Granada1
- Rudradeva1