- Hymns, Syriac3
- Ibn Abī Jumhūr al-Aḥsāʼī, Muḥammad ibn ʻAlī, -approximately 1473. Masālik al-afhām3
- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah3
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Murshidat al-ṭālib ilá asná al-maṭālib3
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr3
- Ibn al-Sharīf al-Jurjānī, Muḥammad ibn ʻAlī, -1434 or 1435. Ghurrah fī al-manṭiq3
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Ijtihād (Islamic law)3
- Illumination of books and manuscripts, French3
- Illumination of books and manuscripts, Medieval3
- Incantations, Hebrew3
- Indian cartography3
- Inheritance and succession (Jewish law)3
- Ink3
- Ink stamps3
- Insertions (Production)3
- Intention--Religious aspects--Islam3
- Intercessory prayer--Judaism3
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)3
- Isabella I, Queen of Spain, 1451-15043