- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḥusn al-ʻibārah fī naẓm al-istiʻārah1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj1
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar1
- Ijmāʻ (Islamic law)1
- Imams (Shiites)1
- Immortality--Islam1
- India--Faizabad1
- Intellectual life1
- Interest (Islamic law)1
- Interfaith relations1
- Iran--Dāmghān1
- Iran--Iṣfahān1
- Iran--Kirmān1
- Iran--Tabrīz1
- Islam and justice1
- Isra' and Mi`raj of the Prophet Muhammad1
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Judges (Islamic law)1
- Judicial power (Islamic law)1