Great Neck is a station on the Long Island Rail Road's Port Washington Branch in Great Neck Plaza, New York. It is the westernmost station on the branch in Nassau County. The station is located at Middle Neck Road and Station Plaza at Great Neck Road, 0.25 miles (0.40 km) north of Northern Boulevard and 15.9 miles (25.6 km) from Penn Station in Midtown Manhattan. From just east of the station, the line becomes single track to Port Washington.

The Long Island Rail Road, often abbreviated as the LIRR, is a railroad in the southeastern part of the U.S. state of New York, stretching from Manhattan to the eastern tip of Suffolk County on Long Island. The railroad currently operates a public commuter rail service, with its freight operations contracted to the New York and Atlantic Railway. With an average weekday ridership of 354,800 passengers in 2016, it is the busiest commuter railroad in North America. It is also one of the world's few commuter systems that runs 24/7 year-round. It is publicly owned by the Metropolitan Transportation Authority, which refers to it as MTA Long Island Rail Road. In 2023, the system had a ridership of 75,186,900, or about 253,800 per weekday as of the fourth quarter of 2023.