- 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
- Jewish religious poetry, Hebrew1
- Jewish sermons1
- Jewish sermons, Hebrew1
- Jewish travelers1
- Jews--Persecutions1
- Jihad1
- Jinn1
- Judaism--Customs and practices1