Author
- Jean Barthélémy1
- Jean de Wavrin1
- Jerome1
- Johannes Milis1
- Johannes de Sacrobosco1
- John Chrysostom1
- John Larry England1
- John Lydgate1
- John of Saxony1
- John of Wales1
- Juan de Torquemada1
- Juana I of Castile1
- Juvenal1
- Khaqani1
- Lactantius1
- Leo Archpriest1
- Leon Battista Alberti1
- Lope de Olmedo1
- Louis IV of Bavaria1
- Mahmud Mirza Qajar1