Author
- Podestà of Perugia1
- Porcellio1
- Prince-Bishopric of Toul1
- Privy Council of the United Kingdom1
- Pseudo-Augustine1
- Ptolemaeus Tancredius1
- Ptolemy1
- Qadi Ayyad1
- Qāḍī Zāda al-Rūmī1
- Raghava1
- Raghunandana Bhattacaryaya1
- Raghunātha1
- Raginaldus Collus Rubeus1
- Ranuccio Farnese1
- Rapolano Terme1
- Raymond of Sabunde1
- Richard Burdet1
- Richard Ward1
- Roman Catholic Archdiocese of Mainz1
- Roman Catholic Diocese of Osma-Soria1