- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr2
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn2
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar2
- Ijtihād (Islamic law)2
- Illumination of books and manuscripts, Turkish2
- Imamate2
- India--Allahabad2
- India--Hyderabad2
- India--Mughal Empire2
- India--Yamuna River2
- Inheritance and succession2
- Intercessory prayer--Judaism2
- Interest (Islamic law)2
- Interest (Jewish law)2
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)2
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ2
- Ishārāt wa-al-tanbīhāt (Avicenna)2
- Iskandarnāmah (Niẓāmī Ganjavī)2
- Islam and politics2
- Islam--Apologetic works2