Author
- Jalal al-Din Davani1
- Jalaluddin al-Mahalli1
- Jean Froissart1
- Jean Marot1
- Jean de Wavrin1
- Jerónimo Román y Zamora1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Padua, Italy1
- Joannes de Crivelli1
- Johannes de Thurocz1
- John Gower1
- John Herd1
- John Tiptoft, 1st Earl of Worcester1
- John Dokeianos1
- Juan López Ossorio1
- Juan Pérez de Cabrera1
- Juan de Garnica1
- Judah Halevi1
- Jörg Muelich1
- Karakaşzade Ömer1