Kōjiya Station (糀谷駅, Kōjiya-eki) is a railway station on the Keikyū Airport Line in Ōta, Tokyo, Japan, operated by the private railway operator Keikyu.

Kōjiya Station is served by the 6.5 km Keikyū Airport Line from Keikyū Kamata to Haneda Airport Domestic Terminal, and lies 0.9 km from Keikyu Kamata.

The station has two opposed side platforms serving two tracks on the second floor level.

The station ticket barriers and facilities are on the ground floor level.

[2] In December 1994, the platforms were extended to handle eight-car trains inter-running to and from the Toei Asakusa Line.