- Kalbī, Diḥyah ibn Khalīfah, -approximately 6701
- Kansas--Lawrence8
- Kardarī, Ibn al-Bazzāz, -1424. Fatāwá al-Bazzāzīyah1
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Kemalpaşazade, 1468 or 1469-1534. Iṣlāḥ wa-al-īḍāḥ1
- Khaṭīb al-Tamartāshī, Muḥammad ibn ʻAbd Allāh, 1532 or 1533-1595 or 1596. Minaḥ al-ghaffār1
- Khiḍr (Legendary character)1
- Kings and rulers2
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Knowledge, Theory of (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1
- Land tenure1
- Latin language1
- Laughter--Religious aspects--Islam1
- Learning and scholarship1
- Leather bindings5
- Leather doublures14
- Legends1
- Letter writing, Turkish1
- Letters patent1