The Powerful owl (Ninox strenua), is a species of boobook native to south-eastern and eastern Australia, the largest owl on that continent. It is found in coastal areas, the Great Dividing Range rarely more than 200 km (120 mi) inland. The International Union for Conservation of Nature (IUCN) Red List of Threatened Species refers to this species as powerful boobook, however, this is not used as a common name in Australia.