Author
- Nīlakaṇṭhabhaṭṭa1
- Nīqūlā Ṣāʼigh1
- Nūr al-Dīn al-Ḥusayn ibn al-Ḥasan ibn ʻAlī al-Shāfī al-ʻĀmilī1
- Nūr al-Ḥaqq ibn ʻAbd al-Ḥaqq Dihlavī1
- Nūḥ ibn Muṣṭafá Rūmī1
- Okçuzade Mehmet Sahî1
- Order of the Argonauts of Saint Nicholas1
- Order of the Garter1
- Oronce Finé1
- Osman bin Keskin1
- Ottavio Strada1
- Otto di guardia e balia (Florence, Tuscany)1
- Otto of Passau1
- Ovid1
- Pacholo Falconieri1
- Palazzo degli Anziani1
- Paramahaṃsa Parivrājaka1
- Paramahaṃsa Vrājakācārya1
- Paraśurāma1
- Parthasarathi Mishra1