Author
- Raymond of Sabunde1
- Raymundus de Salgis1
- Republic of Venice1
- Richard Bolter1
- Richard Brooke1
- Richard Burdet1
- Richard Fishacre1
- Richard II of England1
- Richard Nykke1
- Richard Ward1
- Robert Ashley1
- Roberto Caracciolo1
- Rocca, Antonio1
- Rodolfo Pio da Carpi1
- Roger Alban1
- Roger Waltham1
- Rolandino de' Passaggeri1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Archdiocese of Reims1
- Roman Catholic Archdiocese of Siena1