Author
- Juana I of Castile1
- Justinian I1
- Kamal Khujandi1
- Kamāl al-Dīn ibn Āsāyish Shirwānī1
- Kara Fazlî1
- Keśavamiśra1
- Khalīl ibn Shāhīn1
- Khaqani1
- Kingdom of Bohemia1
- Kingdom of France1
- Kirmānī, Muḥammad ibn ʻAlī1
- Kınalızâde Hasan Çelebi1
- Lapo da Castiglionchio1
- Latîfî1
- Laurence Johnson1
- Leonardo Bruni1
- Leonhard Freisleben1
- Lorenzo Giacomini1
- Lorenzo Gondi1
- Lorenzo Spirito Gualtieri1