- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh3
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 3-1564 or 5. Muntahá al-irādāt3
- Ibn al-ʻArabī, 1165-12403
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Imams (Shiites)3
- India3
- Intellectual life3
- Iran--Iṣfahān3
- Ishārāt wa-al-tanbīhāt (Avicenna)3
- Islam and politics3
- Islamic poetry, Arabic3
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid3
- Judgment Day (Islam)3
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)3
- Khulāṣat al-ḥisāb (ʻĀmilī, Bahāʼ al-Dīn Muḥammad ibn Ḥusayn)3
- Kāfī (Kulaynī, Muḥammad ibn Yaʻqūb)3
- Leather doublures3
- Mahdi3
- Maqdisī, Muḥammad ibn ʻAlī, d. 1417. Niẓām al-mudhahhab fī mufradāt al-madhhab3
- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ3