List of Roman usurpers


The following is a list of usurpers in the Roman Empire. For an overview of the problem and consequences of usurpation, see Roman usurpers. In the Eastern Roman Empire, rebellion and usurpation were so notoriously frequent that the modern term "byzantine" became a byword for political intrigue and conspiracy. For usurpation in the Eastern Roman Empire, see List of Byzantine usurpers.
Key
The following individuals began as usurpers, but became the legitimate emperor either by establishing uncontested control of the empire or by confirmation of their position by the Roman Senate or by the legitimate emperor.

First Imperial civil war; the [year of the four emperors]

The following last emperors of the West were all accepted by the Senate but never recognized as colleagues by the Emperor of the East:
The following individuals proclaimed themselves emperor, but are not considered as legitimate emperors because they did not oust the ruling emperor, or did not establish control of the whole empire, or were not accepted by the senate or other imperial colleagues.
They are listed here under the emperor whose rule they attempted to usurp. The noted date is the attempted year of usurpation.

[Claudius]: 41–54