- Jurisprudence1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jāmiʻ al-Qarawīyīn (Fès, Morocco)1
- Jāmī, 1414-1492. Risālah-i muʻammā1
- Jārūdī, Nāṣir ibn Muḥammad, active 18th century1
- Kalbī, Diḥyah ibn Khalīfah, -approximately 6701
- Kardarī, Ibn al-Bazzāz, -1424. Fatāwá al-Bazzāzīyah1
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kaydānī. Maṭālib al-muṣallī1
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Khalwatīyah1
- Khalīl ibn Isḥāq al-Jundī, -1365? Mukhtaṣar. Bāb al-yamīn1
- Khayālī, Aḥmad ibn Mūsá, -1457? Ḥāshiyah ʻalá sharḥ al-Taftāzānī1
- Khaṭīb al-Tamartāshī, Muḥammad ibn ʻAbd Allāh, 1532 or 1533-1595 or 1596. Minaḥ al-ghaffār1
- Kitāb fī al-fiqh al-Shāfiʻī1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1
- Lacquered bindings1
- Language and languages--Philosophy1
- Laughter--Religious aspects--Islam1