- Italy--Naples1
- Italy--Prato1
- Italy--Siena1
- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- Iṣbāḥ1
- 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. Tashyīd al-Qawāʻid1
- Jamālī, Fuḍayl ibn ʻAlī, 1514-1583. ʻAwn al-rāʼiḍ fī fann al-farāʼiḍ1
- Jamʻ bayna al-ṣaḥīḥayn (Ḥumaydī, Muḥammad ibn Fattūḥ)1
- Japan--Fujimaki-mura1
- Jawharat al-tawḥīd (Laqānī, Ibrāhīm ibn Ibrāhīm)1
- Jawharī, Ismāʻīl ibn Ḥammād, -1003? Tāj al-lughah wa-ṣiḥāḥ al-ʻArabīyah1
- Jawshan al-kabīr1
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1
- Jesus Christ1
- Jews1
- Ji bu--Bie ji lei--Song1
- Ji bu--Bie ji lei--Yuan1
- Ji bu--Zong ji lei--Cong bian1
- Jighmīnī, Maḥmūd ibn Muḥammad, -1221? Qānūnchah1