Constantius
# Constantius

Constantius may refer to:

## Emperors and consuls of Rome

* Constantius Chlorus (c. 250–306), junior Emperor of Rome (Caesar) from 293 to 305 and senior Emperor (Augustus) from 305 to 306
* Constantius II (317–361), Caesar from 324 and Augustus from 337 to 361
* Constantius Gallus (c. 325–354), Caesar from 351 to 354 and consul from 352 to 354, grandson of Constantius Chlorus
* Constantius III, emperor of the Western Roman Empire in 421
* Constantius (consul 327), consul in 327

## Religious figures

* Saints Simplicius, Constantius and Victorinus (died c. 159), Christian martyrs
* Saint Constantius of Perugia (died c. 170), one of the patron saints of Perugia, Italy
* Saint Constantius (Theban Legion) (c. 3rd century), a member of the legendary Theban Legion
* Constantius of Lyon (fl. c. 480), cleric who wrote the Vita Germani, a hagiography
* Saint Constantius of Aquino, 6th century bishop of Aquino
* Saint Constantius of Capri (died 7th or 8th century), Bishop of Capri

## Other

* Constantius Africanus, (c. 1020–1085), translator of Greek and Islamic medical texts
