Author
- Podestà of Monterubbiano (Italy)1
- Podestà of Perugia1
- Pope1
- Privy Council of the United Kingdom1
- Qāḍī Zāda al-Rūmī1
- Raginaldus Collus Rubeus1
- Ranuccio Farnese1
- Richard Bolter1
- Richard Ward1
- Robert Cooke1
- Robert de Saint-Martin1
- Roger Bigod, 2nd Earl of Norfolk1
- Roman Catholic Archdiocese of Siena1
- Roman Catholic Diocese of Zaragoza1
- Roman Curia1
- Royal Chancellery of Granada1
- Sarrazius de Bethencourt1
- Seigneury de Brousses1
- Senate of the Republic of Venice1
- Smoyel1