Kasuga Station (春日駅, Kasuga-eki) is a subway station in Bunkyo, Tokyo, Japan, operated by Toei Subway.

It is located next to Kōrakuen Station on the Tokyo Metro Marunouchi Line and Tokyo Metro Namboku Line.

It is built under the Bunkyo City Office building.

The station first opened on 30 June 1971, served by the Toei Mita Line.

The Toei Oedo Line station opened on 12 December 2000.