J
- Jābir ibn Hayyān (721-815(
- Jahm bin Safwan (died 746)
- Jayanta Bhatta, (circa 9th century)
- John of Damascus, (c. 676-749)
- Johannes Scotus Eriugena, (c. 800-c. 880)
- Juan Chi, (210-263)
- Justinian I, (483-565)
Read more about this topic: List Of Philosophers Born In The 1st Through 10th Centuries