- Kiraṇavalī (Udayanācārya)1
- Kirchmair, Georg, 1481-15541
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kirātārjunīya (Bhāravi)5
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Knights of Malta2
- Knowledge, Theory of3
- Knowledge, Theory of (Hinduism)2
- Knowledge, Theory of (Islam)4
- Krishna (Hindu deity)121
- Kubera (Hindu deity)5
- Kufic2
- Kufr (Islam)1
- Kumayl ibn Ziyād, 633 or 634-7012
- Kumārasambhava (Kālidāsa)2
- Kuntī (Hindu mythological character)4
- Kurds1
- Kuṇḍalinī1
- Kölner Dom1