- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Iʻlām bi-qawāṭiʻ al-Islām1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Mawlid1
- Ibn Ḥijjah al-Ḥamawī, Taqī al-Dīn Abū Bakr ibn ʻAlī, -1434. Badīʻīyah1
- Ibn Ḥijjah al-Ḥamawī, Taqī al-Dīn Abū Bakr ibn ʻAlī, -1434. Badīʻīyat1
- Illumination of books and manuscripts, Arab1
- India--Bharūch (District)1
- Intellect--Religious aspects--Islam1
- Interest (Islamic law)1
- Iran1
- Iran--Iṣfahān1
- Iran--Sarāb (Āz̲arbāyjān-i Bākhtarī)1
- Iran--Tabrīz1
- Iran--Tehran1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam and politics1
- Islam--Functionaries1
- Islamic education1
- Islamic hygiene1