Austrobalanus imperator is a species of barnacle in the family Austrobalanidae. It is endemic to Australia and occurs on the east coast (New South Wales, Queensland).
Subspecies
These subspecies belong to the species Austrobalanus imperator:
Austrobalanus imperator aotea <small>Buckeridge, 1983</small>
Austrobalanus imperator imperator <small>(Darwin, 1854)</small>