G
- Gaius, (110-180)
- Galen, (131-201)
- Gaudapadacharya, (circa 7th century)
- Gerbert of Aurillac (or Pope Silvester II) (c. 950-1003)
- Gottschalk of Orbais (c.805-868)
- Pope Gregory I, (540-604)
- Gregory of Nyssa, (c. 335-398)
Read more about this topic: List Of Philosophers Born In The 1st Through 10th Centuries