Author
- Jai Singh II1
- Jaimini5
- Jakob Christoph Blarer von Wartensee1
- Jakob Eduard Polak1
- Jakob Reifmann2
- Jakob Wimpfeling1
- Jalal Al-Din Al-Khabazi5
- Jalal al-Din Davani30
- Jalal al-Din Mohammad Tabrizi1
- Jalal al-Din al-Qazwini20
- Jalal al-Din al-Suyuti101
- Jalaluddin al-Mahalli29
- Jalāl al-Dīn al-Thīrī1
- James Raymond Wellsted1
- James V of Scotland1
- James of Lausanne2
- James of Milan4
- James of Viterbo1
- Jami79
- Jamshīd al-Kāshī1