List of Byzantine Emperors

This is a list of the Emperors of the late Eastern Roman Empire, called Byzantine by modern historians. This list does not include numerous coemperors who never attained sole or senior status as rulers.

The title of all Emperors listed preceding Heraclius was officially Augustus, although various other titles such as Dominus were used as well. For official purposes, their names were preceded by Imperator Caesar Flavius and followed by Augustus. Following Heraclius, the title commonly became the Greek Basileus (Gr. Βασιλε