Author
- Joseph Angelet1
- Joseph ben Abraham Gikatilla1
- Juana I of Castile1
- Judah ben Saul ibn Tibbon1
- Junayd ibn Sandal Baghdādī1
- Kamal Khujandi1
- Kamal al-Din ibn al-Humam1
- Khayr al-Dīn Khalīl1
- Khvājah Muḥammad Pārsā1
- Khālid ibn ʻAbd Allāh al-Azharī1
- Kingdom of Naples1
- Leo I1
- Leon Battista Alberti1
- Leonardo Mainardi1
- Lorenzo de' Medici1
- Louis XII of France1
- Luca Pacioli1
- Luigi de' Medici1
- Luis Velasco1
- Malavolti family1