- Karo-Batak dialect1
- Karshuni1
- Kashmir Śaivism--Doctrines1
- Kavaca1
- Kaydānī. Maṭālib al-muṣallī1
- Kaydānī. Risālah fī al-mashrūʻāt wa-ghayr al-mashrūʻāt1
- Kaʻb al-Aḥbār, -655 or 6561
- Kaʻbah (Mecca, Saudi Arabia)1
- Kedushah1
- Kedushah. Rosh ha-Shanah1
- Kekchi language1
- 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. Tafsīr al-Fātiḥah1
- Kemalpaşazade, 1468 or 1469-1534. Īḍāḥ al-iṣlāḥ1
- Kemalpaşazade, 1468 or 9-1534. Risālah fī al-haykal al-insānī1
- Keśavācārya Daivajña, active 16th century. Jātakapaddhati1
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 1232-1292. Mughnī fī uṣūl al-fiqh1
- Khabīṣī, Muḥammad ibn Abī Bakr, active 14th century. Muwashshaḥ1