Author
- Raymond of Penyafort1
- Raymond of Sabunde1
- Regiomontanus1
- Remigio dei Girolami1
- Reynoldus Romanus1
- Richard Bolter1
- Richard Burdet1
- Richard II of England1
- Richard Nykke1
- Richard de Fournival1
- Robert de Saint-Martin1
- Roberto Caracciolo1
- Robine Bordinelle1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Archdiocese of Siena1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Rozanes, Yosef, 15th century1