Author
- Kingdom of England1
- Kirmānī, Muḥammad ibn ʻAlī1
- Koca Ragıp Pasha1
- Koca Sofi1
- Kokkoka1
- Konrad III. von Soltau1
- Kurdī, Yūsuf ibn Yaʻqūb1
- Kātyāyana1
- Kırımî Abdülgaffar Efendi1
- Kṛṣṇānanda Āgamavāgīśa Bhaṭṭācārya1
- Laurent d'Orleans1
- Laurentius Cynthius1
- Leo Archpriest1
- Leo I1
- Leon Ghirone1
- Leonardo Mainardi1
- Leonhard Freisleben1
- Lieb Hirsh1
- Lorenzo Belo1
- Lorenzo Bonincontri1