Author
- Patrick Graham, 1st Lord Graham1
- Paul of Pergula1
- Paul of Venice1
- Peter Paludanus1
- Peter of Poitiers1
- Petrus Comestor1
- Philip the Bold1
- Pierre Bersuire1
- Pietro Barozzi1
- Platonic Academy1
- Pliny the Elder1
- Podestà of Monterubbiano (Italy)1
- Porcellio1
- Priscian1
- Pseudo-Cicero1
- Pseudo-Eusebius of Cremona1
- Pseudo-Jerome1
- Ptolemy1
- Ramon Llull1
- Rapolano Terme1