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- Ibn Ghāzī, Muḥammad ibn Aḥmad, 1437 or 1438-1513. Munyat al-ḥussāb1
- Ibn al-Muqrī, Ismāʻīl ibn Abī Bakr, 1354-1433 or 1434. Badīʻīyah1
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjiz1
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- Ink1
- Insertions (Provenance)1
- Inventions1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Islam--Customs and practices1
- Islam--Doctrines1
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- Islamic etiquette1
- Islamic law--Interpretation and construction1
- Italy--Venice1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Jaina mantras1
- Jaina mythology1