Author
- Nicolaus von Amsdorf1
- Nicolo Galiotti1
- Nicolo Mannelli1
- Nicolò Peranzone1
- Nikolaus Apel1
- Nikolaus Gerbel1
- Nisibis Elias Abū-Ḥalīm III.1
- Nizam al-Din al-Nisaburi1
- Oliver Maillard1
- Order of the Garter1
- Order of the Immaculate Conception1
- Oronce Finé1
- Ottavio Strada1
- Ottmar Luscinius1
- Otto di guardia e balia (Florence, Tuscany)1
- Paramahaṃsa Parivrājaka1
- Parthasarathi Mishra1
- Paul IV1
- Paulus Melissus1
- Pedro Barrantes Maldonado1