- 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 manuscripts3
- Illumination of books and manuscripts, Iranian3
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)3
- Iran--Ardabīl3
- Iran--Shīrāz3
- Iran--Tehran3
- Iraq--Karbalāʼ3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Ishrāqīyah3
- Islam--Apologetic works3
- Islam--Terminology3
- Islamic interpretations of Jesus Christ3
- Islamic poetry, Turkish3
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd3
- Jews3
- Jinn3