- Italy--Morano sul Po Site1
- Italy--Padua1
- Italy--Rivarolo Ligure1
- Italy--Rome1
- Italy--Villanova Monteleone1
- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid1
- Jaina mythology1
- James, the Greater, Saint1
- Japan1
- Japan--Fujimaki-mura1
- Japanese sewing1
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah1
- Jewish calendar1
- Jewish festival-day sermons1
- Jewish interpretations of Jesus Christ1
- Jewish poetry1