- Judeo-Italian language1
- Judeo-Persian literature2
- Judgment Day (Islam)2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Risālah al-kubrá fī al-manṭiq1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Ḥikmat al-ʻayn1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá2
- Justice--Religious aspects--Islam1
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Jāmiʻ al-ṣaghīr (Suyūṭī)4
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)5
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Jārabardī, Aḥmad ibn al-Ḥusayn, -1346. Mughnī fī ʻilm al-naḥw1
- Jārbardī, Fakhr al-Dīn Aḥmad ibn al-Ḥasan, d. 1345. Mughnī fī ʻilm al-naḥw1
- Kabbalat Shabbat1
- Kaddish1
- Kamāl al-Dīn Muḥammad ibn Muḥammad, d. 1418. Naẓm Nukhbat al-fikar fī muṣṭalaḥ ahl al-athar1
- Kamāl al-Dīn al-Bakrī, Muḥammad ibn Muṣṭafá, 1730 or 1731-1781 or 1782. Fatḥ al-ilāh fī madḥ Rasūl Allāh1
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)3
- Karaite law1