Author
- Richard II of England1
- Richard Nykke1
- Richard Robinson1
- Richard Ward1
- Rifāʾī, Muḥammad ibn ʻAlwān1
- Robert Ashley1
- Robert Fabyan1
- Robert de Saint-Martin1
- Roberto Caracciolo1
- Robine Bordinelle1
- 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
- Roman Catholic Diocese of Regensburg1
- Royal Chancellery of Granada1