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Metro-North Commuter Railroad Company (d/b/a Metro-North Railroad)
Reporting marks	MNCR (Revenue) MNCW (Non-revenue) MN (West of Hudson Only)
Locale	Hudson Valley, southwestern Connecticut
Dates of operation	1983–present
Track gauge	4 ft 8½ in (1435 mm) (standard gauge)
Headquarters	New York, NY

The Metro-North Commuter Railroad Company, or MTA Metro-North Railroad, or, more commonly, Metro-North, is a suburban commuter rail service that is run and managed by the Metropolitan Transportation Authority (MTA), an authority of New York State. Metro-North runs service between New York City to its northern suburbs in New York and Connecticut, as well as to other regions, including, in conjunction with New Jersey Transit, to parts of New Jersey as well. Trains terminate in places respective to their branch line; these locals include, in New York State, in Port Jervis, Spring Valley, Poughkeepsie, and Wassaic; in Connecticut, in New Canaan, Danbury, Waterbury, and New Haven. Metro-North also provides local rail service within New York City with a reduced fare.

The MTA, which also operates the New York City Transit Authority buses and subways, as well as the Long Island Rail Road, also has jurisdiction, through Metro-North, for use of the railroad lines on the western and eastern portion of the Hudson River in New York State. Service on the western side of the Hudson, within New Jersey, is actually operated by New Jersey Transit under contract with the MTA. North of the New Jersey state line, the western portion of the Hudson is part of New York State, and is also under the jurisdiction of Metro-North. There are 120 stations operated by Metro-North.