- Kings and rulers28
- Kings and rulers--Duties6
- Kings and rulers--Heraldry1
- Kings and rulers--Religious aspects2
- Kings and rulers--Religious aspects--Hinduism1
- Kinship (Islamic law)4
- Kirchmair, Georg, 1481-15541
- Kirmānī, Maḥmūd ibn Muḥammad, 1329?-1404 or 1405. Farāʼiḍ al-ījāz1
- Kirātārjunīya (Bhāravi)2
- Kisāʼī, ʻAlī ibn Ḥamzah, -804 or 8051
- Kitāb (Sībawayh, ʻAmr ibn ʻUthmān)1
- Knafo, Shimon ben Yehuda1
- Knights of Malta4
- Knotesford, John, -15891
- Knowledge, Theory of2
- Knowledge, Theory of (Hinduism)1
- Knowledge, Theory of (Islam)4
- Korea2
- Krishna (Hindu deity)37
- Kumayl ibn Ziyād, 633 or 634-7011