is a passenger railway station located in the town of Saka, Aki District, Hiroshima Prefecture, Japan. It is operated by the West Japan Railway Company (JR West).
Koyaura Station is served by the JR West Kure Line and is 77.1 kilometers from the terminus of that line at .
The station consists of two ground-level opposed side platforms connected by a footbridge. The station is unattended.
Koyaura Station was opened on 1 May 1914.
In fiscal 2019, the station was used by an average of 306 passengers daily.