- Nyaya20
- Nābulusī, ʻAbd al-Ghanī ibn Ismāʻīl, 1641-17311
- Nādir Shāh, Shah of Iran, 1688-17472
- Nārada (Hindu mythology)3
- Nārāyaṇa (Hindu deity)4
- Nārāyaṇa Bhaṭṭa, active 16th century. Tristhalīsetu1
- Nāṣir Aḥmad, Sultan of Yemen, -14241
- Nāṣir al-Dīn Shāh, Shah of Iran, 1831-18961
- Nāṣir al-ʻAlawī, al-Ḥasan ibn ʻAlī, 839 or 840-916 or 917. Fiqh al-Nāṣirīyah1
- Nīsābūrī, Niẓām al-Dīn al-Ḥasan ibn Muḥammad, -1328 or 1329. Risālah al-Shamsīyah fī al-ḥisāb1
- Nūr al-īḍāḥ fī al-fiqh ʻalá madhhab al-Imām Abī Ḥanīfah (Shurunbulālī, Ḥasan ibn ʻAmmār)1
- Oaths1
- Oaths (Islamic law)1
- Oaths (Jewish law)1
- Obligations (Law)1
- Obstetrics1
- Occultism1
- Occultism--Religious aspects1
- Occupations1
- Ocean travel1