- Islamic poetry, Turkish1
- Islamic sects1
- Isra' and Mi`raj of the Prophet Muhammad1
- Istiṣḥāb (Islamic law)1
- Jamʻ al-jawāmiʻ fī al-uṣūl (Subkī, Tāj al-Dīn ʻAbd al-Wahhāb ibn ʻAlī)1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 3-1331 or 2. Jamīlat arbāb al-marāṣid fī sharḥ ʻAqīlat atrāb al-qaṣāʾid1
- John, of Damascus, Saint1
- Joseph (Son of Jacob)1
- Joseph (Son of Jacob) in the Qurʼan1
- Jumʻah1
- Jādarī, ʻAbd al-Raḥmān ibn Abī Ghālib, 1384 or 1385-1435 or 1436. Rawḍat al-azhār fī ʻilm waqt al-layl wa-al-nahār1
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Jāmiʻ al-ṣaghīr (Suyūṭī)1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Jārabardī, Aḥmad ibn al-ḥusayn, d. 1346. Sharḥ al-Shāfiyah1
- Kalanbawī, Ismāʻīl ibn Muṣṭafá, -1790 or 1791. Burhān fī ʻilm al-mīzān1
- Karmī, Marʻī ibn Yūsuf, -1623 or 1624. Ghāyat al-muntahá fī al-jamʻ bayna al-Iqnāʻ wa-al-Muntahá1
- Khafrī, Muḥammad, -1407 or 1408. Ḥāshīyah ʻalá Sharḥ al-Qūshjī ʻalá al-Tajrīd1
- Khalwatīyah1