- Kemalpaşazade, 1468 or 1469-1534. Īḍāḥ al-iṣlāḥ1
- Khadījah, -approximately 6191
- Khwājahʹzādah, Muṣṭafá ibn Yūsuf, -1487 or 14881
- Kings and rulers1
- Knowledge, Theory of (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Lacquered bindings1
- Language and languages--Philosophy1
- Laylat al-Barāʼah1
- Lebanon1
- Legacies (Islamic law)1
- Legal documents1
- Legal forms1
- Legal instruments1
- Lemos, Pedro Fernández de Castro, conde de, 1576-16221
- Madābighī, Ḥasan ibn ʻAlī, -1756 or 1757. Mukhtaṣar Qiṣṣat miʻrāj al-Nabī1
- Magic--Religious aspects--Islam1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Spanish1
- Masjid al-Aqṣá (Jerusalem)1