Ōasō Station (大麻生駅, Ōasō-eki) is a passenger railway station located in the city of Kumagaya, Saitama, Japan, operated by the private railway operator Chichibu Railway.

[1] The station is staffed and consists of a single island platform serving two tracks.

A bidirectional freight loop and an additional siding lie to the south of the platform tracks.

[2] In fiscal 2018, the station was used by an average of 235 passengers daily.

[3] Media related to Ōasō Station at Wikimedia Commons