- 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
- Khadījah, -approximately 6191
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Kings and rulers--Religious aspects1
- Lacquered bindings1
- Language and languages--Style1
- Laylat al-Barāʼah1
- Lebanon1
- Legal instruments1
- Literary style1
- Magic squares1
- Magic--Religious aspects--Islam1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Renaissance1
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1