Author
- Ramazanzade Mehmed Çelebi1
- Ranuccio Farnese1
- Rapolano Terme1
- Raymond of Penyafort1
- Razi al-Din ibn al-Hanbali1
- Republic of Venice1
- Richard Bolter1
- Richard Burdet1
- Richard Nykke1
- Richard Ward1
- Richard de Geveldale1
- Robert Beale1
- Robert Cooke1
- Robert Fabyan1
- Robert de Saint-Martin1
- Robert of Gloucester1
- Rodrigo Sánchez de Arévalo1
- Rodrigo de Rueda1
- Roger Bigod, 2nd Earl of Norfolk1
- Roman Catholic Diocese of Osma-Soria1