- Kaffawī, Ayyūb ibn Mūsá, 1618 or 1619-1682 or 1683. Kullīyāt Abī al-Baqāʼ1
- Kalbī, Diḥyah ibn Khalīfah, -approximately 6701
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kaʻbah (Mecca, Saudi Arabia)1
- Kemalpaşazade, 1468 or 1469-15341
- Kemalpaşazade, 1468 or 1469-1534. Iṣlāḥ wa-al-īḍāḥ1
- Kemalpaşazade, 1468 or 1469-1534. Risālah fī al-haykal al-insānī1
- Kemalpaşazade, 1468 or 1469-1534. Īḍāḥ al-iṣlāḥ1
- Khadījah, -approximately 6191
- Khwājahʹzādah, Muṣṭafá ibn Yūsuf, -1487 or 14881
- Kings and rulers1
- Lacquered bindings1
- Language and languages--Philosophy1
- Language and languages--Style1
- Laylat al-Barāʼah1
- Leather doublures1
- Lebanon1
- Legacies (Islamic law)1
- Legal documents1
- Legal forms1