- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah3
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir3
- Ibn Zaydūn, Aḥmad ibn ʻAbd Allāh, 1003 or 1004-1071. Risālah al-hazalīyah3
- 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 al-ʻArabī, 1165-1240. Shajarah al-Nuʻmānīyah3
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj3
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Illumination of books and manuscripts, Turkish3
- Inheritance and succession (Jewish law)3
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)3
- Iran--Ardabīl3
- Iran--Qazvīn3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Ishrāqīyah3
- Islam and state3
- Islam--Apologetic works3
- Islam--Terminology3
- Islam--Theology3