- Najīb al-Dīn al-Samarqandī, Muḥammad ibn ʻAlī, -1222. Asbāb wa-al-ʻalāmāt1
- Naṣīḥat al-ikhwān wa-murshidat al-khillān (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)1
- Naẓẓām, Ibrāhīm ibn Sayyār, 760?-8451
- Negative theology1
- Nile River1
- Niyazî, 1617 or 1618-1693 or 16941
- Niẓām al-Mulk, 1018-10921
- Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar (Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī)1
- Nūr al-īḍāḥ fī al-fiqh ʻalá madhhab al-Imām Abī Ḥanīfah (Shurunbulālī, Ḥasan ibn ʻAmmār)1
- Obligations (Law)1
- Ocean travel1
- Opium1
- Palaces1
- Palmistry1
- Pastry1
- Penance1
- Personal correspondence1
- Phalaris, Tyrant of Agrigentum, active 6th century B.C.1
- Philosophical anthropology1
- Philosophy, Ancient1