- Ibn al-Bārizī, Hibat Allāh ibn Najm al-Dīn, 1247-13381
- Ibn al-Muqrī, Ismāʻīl ibn Abī Bakr, 1354-1433 or 1434. Badīʻīyah1
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjaz fī al-ṭibb1
- Ibn al-Nāẓim, Muḥammad ibn Muḥammad, -1287 or 1288. Sharḥ Alfīyat Ibn Mālik1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādhdh al-mujtahidīn1
- Ibn ʻArūs, Aḥmad, -1463 or 1464. Qaṣīdah1
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar1
- Ijmāʻ (Islamic law)1
- Ijtihād (Islamic law)1
- Illinois--Chicago1
- Illustrated works1
- Imams (Shiites)1
- Incunabula1
- Inheritance and succession1
- Iraq1
- Isbījābī, Aḥmad ibn Manṣūr, -approximately 1087. Sharḥ al-Mukhtaṣar fī al-fiqh1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Islam and philosophy1
- Islam--Terminology1
- Islamic New Year1