Author
- Richard de Fournival1
- Richard de Geveldale1
- Richard de Saint-Laurent1
- Richard of Middleton1
- Robert Gazeley1
- Robert Kilwardby1
- Robert Reade1
- Robert de Sorbon1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Roger Alban1
- Roger Bigod, 2nd Earl of Norfolk1
- Roger Waltham1
- Rogerius1
- Rolandino de' Passaggeri1
- Roman Catholic Archdiocese of Reims1
- Roman Catholic Diocese of Regensburg1
- Roman Rota1
- Rudulphus Bollartus1
- Rutilius Taurus Aemilianus Palladius1