is a subway station on the in Taità Â, Tokyo, Japan, operated by the Tokyo subway operator Tokyo Metro.
Naka-okachimachi Station is served by the Hibiya Line, and lies 5.8 km from the starting point of the line at .
The station is also situated relatively close to , , , and stations.
The station has one island platform serving two tracks on the second basement ("B2F") level. Track 1 serves -bound trains, while Track 2 serves -bound trains.
The station opened on 28 March 1961.
The station facilities were inherited by Tokyo Metro after the privatization of the Teito Rapid Transit Authority (TRTA) in 2004.
In fiscal 2011, the station was used by an average of 42,317 passengers daily.
The following stations are situated nearby:
On March 16, 2009, Naka-okachimachi Station was connected to Keisei Ueno Station, and a transfer passage was opened.