The 23rd Street station is a local station on the IND Eighth Avenue Line of the New York City Subway, located at the intersection of 23rd Street and Eighth Avenue in Chelsea, Manhattan. It is served by the C and E trains, the former of which is replaced by the A train during late nights.

The IND Eighth Avenue Line is a rapid transit line in New York City, United States, and is part of the B Division of the New York City Subway. Opened in 1932, it was the first line of the Independent Subway System (IND); as such, New Yorkers originally applied the Eighth Avenue Subway name to the entire IND system.