Author
- Robert Kilwardby1
- Robert de Gretham1
- Robert de Sorbon1
- Robert of Gloucester1
- Rocca, Antonio1
- Rodrigo Sánchez de Arévalo1
- Roffredo Epifanio1
- Roger Alban1
- Roger Bigod, 2nd Earl of Norfolk1
- Roger Waltham1
- Rogerius1
- Roman Catholic Archdiocese of Reims1
- Roman Rota1
- Rudulphus Bollartus1
- Rui de Pina1
- Saint Catherine Monastery1
- Salomon Trismosin1
- Scipione Bargagli1
- Sebastião Lopes1
- Seigan Majima1