Hirao

 is a town located in Kumage District, Yamaguchi Prefecture, Japan.
As of 2016, the town has an estimated population of 12,643 and a density of . The total area is .
Transportation.
Hirao did not have any train stations, with the Yanai station being the closest from the town and takes about a ten-minute travel from the town. Japan National Route 188 passes through Hirao.