Author
- Ranieri Farnese1
- Ranulf Higden1
- Rapolano Terme1
- Rashi1
- Remigio dei Girolami1
- Remigius of Auxerre1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard Bolter1
- Richard II of England1
- Richard Nykke1
- Richard Ward1
- Richard de Fournival1
- Richard de Geveldale1
- Richard of Saint Victor1
- Robert Reade1
- Robert de Sorbon1
- Robert of Gloucester1
- Robine Bordinelle1
- Roger Bigod, 2nd Earl of Norfolk1
- Roman Catholic Diocese of Regensburg1