Author
- Otto III2
- Padmapādācārya2
- Paschasius Radbertus2
- Paul III2
- Paul of Pergula2
- Peter Damian2
- Piccolomini2
- Pierre Bersuire2
- Pierre Danes2
- Pietro de' Crescenzi2
- Pinḥas ben Isaac2
- Porphyry2
- Pseudo-Augustine2
- Pseudo-Bonaventure2
- Pseudo-Seneca2
- Qāsim ibn al-Faḍl2
- Raghunātha2
- Rashid-al-Din Hamadani2
- Regiomontanus2
- Ressani family2