Author
- Paschal II1
- Paschualis Bernardus1
- Patrick Graham, 1st Lord Graham1
- Paul of Pergula1
- Paul of Venice1
- Pedro de Serra1
- Pero Fernández de Matanco1
- Petrus de la Cavalleria1
- Philip IV of Spain1
- Philip Stos1
- Piccolomo Oltremonti1
- Pierre Bersuire1
- Pietro Paolo Muscarello1
- Pietro Parenzi1
- Pius IV1
- Podestà of Monticchiello (Italy)1
- Prince-Bishopric of Toul1
- Pseudo-Dionysius the Areopagite1
- Ptolemy1
- Ranieri Farnese1