Author
- Julius III1
- Justin1
- Justinian I1
- Kamal Khujandi1
- Kamāl al-Dīn ibn Āsāyish Shirwānī1
- Kara Fazlî1
- Keśavamiśra1
- Khalīl ibn Shāhīn1
- Khayr Allāh ibn Khayr al-Dīn1
- Khwājakīzādah, Muṣṭafá ibn Muḥammad, d. 15901
- Khālid ibn ʻAbd Allāh al-Azharī1
- Kingdom of Bohemia1
- Kingdom of Castile1
- Kingdom of France1
- Kirmānī, Muḥammad ibn ʻAlī1
- Kollegium Sankt Nikolaus1
- Kınalızâde Hasan Çelebi1
- Lactantius1
- Lapo da Castiglionchio1
- Latîfî1