Author
- Nicholas of Lyra1
- Nikolaos Sagundino1
- Nisibis Elias Abū-Ḥalīm III.1
- Notre-Dame de Chartres1
- Nīlakaṇṭhabhaṭṭa1
- Nūr al-Dīn al-Ḥusayn ibn al-Ḥasan ibn ʻAlī al-Shāfī al-ʻĀmilī1
- Onasander1
- Order of the Garter1
- Oronce Finé1
- Ottavio Strada1
- Panini1
- Parliament of Great Britain1
- Paschal II1
- Paulus Melissus1
- Pere Marsili1
- Peter of Poitiers1
- Peter, Constable of Portugal1
- Petrus Alphonsi1
- Petrus de Herenthals1
- Petrus de la Cavalleria1