Cortlandt Street may refer to:
Streets Cortlandt Street (Manhattan), street in Lower Manhattan, most of which became part of the World Trade Center in the 1970s
Subway stations Cortlandt Street (BMT Broadway Line), a New York City Subway station served by the trains WTC Cortlandt (IRT Broadway–Seventh Avenue Line) (formerly Cortlandt Street), a New York City Subway station serving the train Cortlandt Street (IRT Ninth Avenue Line), a station on the demolished IRT Ninth Avenue Line Cortlandt Street (IRT Sixth Avenue Line), a station on the demolished IRT Sixth Avenue Line
See also Cortlandt Alley, street in Lower Manhattan