is a passenger railway station located in the city of Hachià Âji, Tokyo, Japan, operated by the private railway operator Keio Corporation. It is a five-minute walk from JR East's Hachià Âji Station.
Keià Â-hachià Âji Station is a terminus of the Keio Line, and is located 37.9 kilometers from the opposing terminus of the line at Shinjuku Station.
This station consists of one underground dead-headed island platforms serving two tracks, with the station building located above.
The station opened on 24 March 1925, originally named . The station was renamed on 11 December 1963 and moved 190 m closer to Tokyo. It was rebuilt as an underground station on 2 April 1989.
From 22 February 2013, station numbering was introduced on Keio lines, with Keià Â-hachià Âji Station becoming "KO34".
In fiscal 2019, the station was used by an average of 58,124 passengers daily.
The passenger figures (boarding passengers only) for previous years are as shown below.