Author
- Roger Bigod, 2nd Earl of Norfolk1
- Rogerius1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1
- Roman Catholic Diocese of Regensburg1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Royal Chancellery of Granada1
- Rucidattamiśra1
- Rudradeva1
- Rudradhara1
- Rudulphus Bollartus1
- Rui de Pina1
- Rukn ibn Sharaf al-Dīn Āmulī1
- Rupert, Count Palatine of Simmern1
- Rutgerus Hartman1
- Rāghava1
- Rāghavendra1
- Rākṣasa Kavi1
- Rāmacandra (Son of Bālakṛsṇānada)1