- Izmīrī, Muṣṭafá ibn Rajab, active 17th century1
- 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
- Jacopo, Bernardo di1
- Jacopo, Giovanni di1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Jahmīyah1
- Jaina mythology1
- Jamʻ bayna al-ṣaḥīḥayn (Ḥumaydī, Muḥammad ibn Fattūḥ)1
- Japan--Aomori-ken1
- Japan--Fujimaki-mura1
- Japan--Osaka1
- Japanese fiction1
- Japanese fiction--Edo period1
- Japanese wit and humor1
- Jaunaye, Etienne Chaton, sieur de, 1543-1
- Jawharat al-tawḥīd (Laqānī, Ibrāhīm ibn Ibrāhīm)1
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn1
- Jaymes, Diego1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 3-1331 or 2. Jamīlat arbāb al-marāṣid fī sharḥ ʻAqīlat atrāb al-qaṣāʾid1