Nishi-shinjuku Station (西新宿駅, Nishi-shinjuku-eki) is a Tokyo Metro railway station in Shinjuku, Tokyo, Japan.

Nishi-shinjuku Station is served by the Marunouchi Line, and is numbered M-07.

The station has two side platforms serving two tracks.

The station facilities were inherited by Tokyo Metro after the privatization of the Teito Rapid Transit Authority (TRTA) in 2004.

This Tokyo railroad station–related article is a stub.