- Patrizi, Francesco, 1275-13281
- Patronage, Ecclesiastical1
- Paul, the Hermit, Saint, -approximately 3411
- Pecia1
- Penmanship, German1
- Persephone (Greek deity)1
- Personal correspondence1
- Perush Rashi ʻal ha-Torah (Rashi)1
- Perush ha-Torah (Naḥmanides)1
- Phaedra (Greek mythological character)1
- Phalaris, Tyrant of Agrigentum, active 6th century B.C.1
- Pharsalia (Lucan)1
- Philosophers1
- Phlebotomy1
- Physiology1
- Piccinino, Nicolo, -14441
- Piccolomini family1
- Piccolomini, Enea di Bartolomeo de1
- Piccolomini, Maddalena de1
- Pilgrim badges1