Author
- Rapolano Terme1
- Raymond of Sabunde1
- Regia Camera (Duchy of Milan)1
- Remigio dei Girolami1
- Remigius of Auxerre1
- Ressani family1
- Reynoldus Romanus1
- Ricardus, de Mediavilla, approximately 1249-1308?1
- Richard Bolter1
- Richard Burdet1
- Richard II of England1
- Richard Nykke1
- Richard Ward1
- Richard de Fournival1
- Richard de Geveldale1
- Richard of Saint Victor1
- Robert Ashley1
- Robert Reade1
- Robert de Sorbon1
- Roberto Caracciolo1