Author
- Jerónimo de Vivar1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Padua, Italy1
- Jews1
- Jiang Zhi1
- Jiménez de Enciso, Andrés1
- Joanna I of Naples1
- Joanna of Austria, Princess of Portugal1
- Joannes Dominicus de Marchis1
- Joannes de Crivelli1
- Johanna Hawkeslowe (Sr.)1
- Johannes Tostius1
- Johannes de Thurocz1
- Johannes von Kastl1
- John Cleseby1
- John Eyr1
- John Frederick II of Saxony1
- John Gage1
- John Gower1
- John Herd1