Author
- Pius V1
- Pliny the Younger1
- Podestà of Monterubbiano (Italy)1
- Podestà of Monticchiello (Italy)1
- Podestà of Perugia1
- Podius, Milanutius1
- Poggio Bracciolini1
- Porcellio1
- Prince-Bishopric of Toul1
- Principio Fabricii1
- Privy Council of the United Kingdom1
- Pseudo-Augustine1
- Pseudo-Bonaventure1
- Pseudo-Cicero1
- Pseudo-Dionysius the Areopagite1
- Ptolemaeus Tancredius1
- Qayrawānī, Abū al-Qāsim ibn ʻAbd Allāh, fl. 15991
- Quṭb Jamāl al-Dīn Aḥmad Hānsavī1
- Qūsh Aṭası, ʻIṣmat Aḥmad1
- Rabīʻah ibn Muḥammad Maʻmarī1