- Nawawī, 1233-1277. Rawḍat al-ṭālibīn1
- Nawawī, 1233-1277. Rawḍat al-ṭālibīn wa-ʻumdat al-muftīn1
- Naṣīḥat al-ikhwān wa-murshidat al-khillān (Ibn al-Wardī, Zayn al-Dīn ʻUmar ibn al-Muẓaffar)1
- Naẓẓām, Ibrāhīm ibn Sayyār, 760?-8451
- New moon--Religious aspects--Islam1
- Niyazî, 1617 or 1618-1693 or 16941
- Numerical division of sacred works1
- Nāṣir Aḥmad, Sultan of Yemen, -14241
- Nāṣir al-ʻAlawī, al-Ḥasan ibn ʻAlī, 839 or 840-916 or 917. Fiqh al-Nāṣirīyah1
- Nūr al-īḍāḥ fī al-fiqh ʻalá madhhab al-Imām Abī Ḥanīfah (Shurunbulālī, Ḥasan ibn ʻAmmār)1
- Oaths (Islamic law)1
- Obligations (Law)1
- Omens--Religious aspects--Islam1
- Ontology1
- Opium1
- Optics1
- Palaces1
- Palmistry1
- Patience--Religious aspects--Islam1
- Penmanship, Arabic1