Author
- Jacobus de Cessolis1
- Jacopo Nannis de Piccolomini1
- Jacopone da Todi1
- Jacques Lempereur1
- Jacques de Vitry1
- Jaghmini1
- Jahangir Mirza Qajar1
- Jakob Christoph Blarer von Wartensee1
- James V of Scotland1
- Jami1
- Jean Froissart1
- Jean Marot1
- Jean de Wavrin1
- Jean-Baptiste Hauchamps1
- Jerónimo Román y Zamora1
- Jerónimo de Vivar1
- Jewish Community of Amsterdam, Netherlands1
- Jewish Community of Padua, Italy1
- Jews1
- Jiang Zhi1