- Jacopo, Giovanni di1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Jahmīyah1
- Jaina mythology1
- Jainism5
- James, the Greater, Saint4
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)3
- Jamʻ bayna al-ṣaḥīḥayn (Ḥumaydī, Muḥammad ibn Fattūḥ)1
- Japan13
- Japan--Aomori-ken1
- Japan--Fujimaki-mura1
- Japan--Osaka1
- Japanese fiction1
- Japanese fiction--Edo period1
- Japanese sewing3
- 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