The Kew Gardens–Union Turnpike station is an express station on the IND Queens Boulevard Line of the New York City Subway. Located at Union Turnpike and Queens Boulevard on the border of Kew Gardens and Forest Hills, Queens, it is served by the E and F trains at all times, and the <F> train during rush hours in the reverse peak direction. Despite the station's name, Union Turnpike forms the border between Kew Gardens and Forest Hills, and the station straddles that border, with multiple entrances located in each neighborhood.

The IND Queens Boulevard Line, sometimes abbreviated as QBL, is a line of the B Division of the New York City Subway in Manhattan and Queens, New York City, United States. The line, which is underground throughout its entire route, contains 23 stations. The core section between 50th Street in Hell's Kitchen, Manhattan, and 169th Street in Jamaica, Queens, was built by the Independent Subway System (IND) in stages between 1933 and 1940, with the Jamaica–179th Street terminus opening in 1950. As of 2015, it is among the system's busiest lines, with a weekday ridership of over 460,000 people.