Caesarius

Caesarius may refer to:

• Caesarius of Africa, 3rd-century Christian
• Caesarius of Nazianzus, physician and politician of the 4th century, and the younger brother of Gregory of Nazianzus
• Caesarius (consul 398), Roman politician, twice Praetorian prefect of the East, Consul in 398 and Patricius.
• Caesarius of Arles, 5th-century ecclesiastic in Gaul
• Caesarius of Heisterbach, 13th-century Christian