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 {{NYCS Broadway south|time=nolink}} trains
• WTC Cortlandt (IRT Broadway–Seventh Avenue Line) (formerly Cortlandt Street), a New York City Subway station serving the {{NYCS Broadway-Seventh South Ferry|time=nolink}} 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

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