What Was The Roman Emperor Called?

What Was The Roman Emperor Called? Emperor of the Roman Empire Style Imperator, Augustus, Caesar, Princeps, Dominus Noster, Autokrator or Basileus (depending on period) First monarch Augustus Why are Roman emperors called Caesar? Caesar (Latin: [ˈkae̯. … Caesares; in Greek: Καῖσαρ Kaîsar) is a title of imperial character. It derives from the cognomen of Julius