Author
- Jean Bayard1
- Jean Manesca1
- Jean Marot1
- Jean Passerat1
- Joannes Dominicus de Marchis1
- Joham de Vernoils1
- Johannes Lichtenberger1
- Johannes Mellarinus1
- Johannes Schöner1
- Johannes Tostius1
- Johannes von Kastl1
- John Burgh1
- John Cornelius1
- John Dominici1
- John Felton1
- John Frederick II of Saxony1
- John XXI1
- John of Ibelin1
- John Dokeianos1
- Joseph ben Ephraim Karo1