- Islamic sermons, Persian1
- Ismāʻīl II, Shah of Iran, 1533 or 1534-15771
- Isra' and Mi`raj of the Prophet Muhammad1
- Israel1
- Italy--Bergamo1
- Italy--Casale Monferrato1
- Italy--Cassine1
- Italy--Lombardy1
- Italy--Morano sul Po Site1
- Italy--Naples1
- Italy--Syracuse1
- Italy--Verona1
- Italy--Villanova Monteleone1
- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʾid fī sharḥ Tajrīd al-qawāʻid1
- Japan1
- Japanese poetry1
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd1
- Jesuit drama, Spanish1