Kojimachi Station (麹町駅, also 麴町駅, Kōjimachi-eki) is a subway station on the Tokyo Metro Yurakucho Line in the Kōjimachi neighborhood of Chiyoda, Tokyo, Japan, operated by the Tokyo Subway operator Tokyo Metro.

Kōjimachi Station is served by the Tokyo Metro Yūrakuchō Line.

The station consists of two side platforms, with platform 1 located on the second basement ("B2F") level and platform 2 located on the third basement "B3F" level.

An average of 54,889 passengers used this station daily in fiscal 2006.

This Tokyo railroad station–related article is a stub.