Author
- Nathanael ben Fayyumi1
- Nicholas of Lyra1
- Nizam al-Din al-Nisaburi1
- Omar Khayyám1
- Onasander1
- Orosius1
- Otto of Passau1
- Panormitanus1
- Paul of Venice1
- Perets ben Yitsḥak Ghirondi1
- Peter Paludanus1
- Peter Pascual1
- Peter Schmieher1
- Petrarch1
- Pius II1
- Platonic Academy1
- Podestà of Monterubbiano (Italy)1
- Poggio Bracciolini1
- Porcellio1
- Priscian1