- Jews--Education1
- Jews--Folklore1
- Jinn1
- John, of Damascus, Saint1
- Joseph (Son of Jacob)1
- Joseph (Son of Jacob) in the Qurʼan1
- Joseph Della Reina, active 15th century1
- Judeo-Arabic language1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah1
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Jāmī, 1414-1492. Muʻammayāt asmāʾ al-ḥusná1
- Kalanbawī, Ismāʻīl ibn Muṣṭafá, -1790 or 1791. Burhān fī ʻilm al-mīzān1
- Kansas--Lawrence1
- Karaite philosophy1
- Karaites--Doctrines1
- Karaites--Liturgy1
- Karaitic literature1
- Khalwatīyah1