'''Union Square''' may refer to:
==Places== === United States === * Union Square, Baltimore, Maryland * Union Square, Boston, Massachusetts ** Union Square station (Allston), a former Massachusetts Bay Transportation Authority station on the Green Line A branch * Union Square (Greensboro), North Carolina * Union Square Park, adjacent to Springfield Union Station, Springfield, Illinois * Union Square, Manhattan, New York ** 14th Street–Union Square station, a New York City Subway station on the BMT Broadway Line, the BMT Canarsie Line and the IRT Lexington Avenue Line * Union Square (Salt Lake City), Utah * Union Square, San Francisco, California ** Union Square/Market Street station, a Muni Metro station on the Central Subway of the T Third Street line * Union Square (Seattle), Washington * Union Square (Somerville), Massachusetts ** Union Square station (Somerville), a Massachusetts Bay Transportation Authority station on the Green Line D branch * Union Square (Washington, D.C.)
=== Other places === * Union Square, a shopping centre in Brunswick West, Victoria, Australia * Union Square, Nova Scotia, Canada * Union Square (Hong Kong), in Kowloon to the west of Kwun Chung and the northwest of Tsim Sha Tsui * Union Square, Lima, Peru, since renamed after Ramón Castilla * Union Square Aberdeen, Scotland, a leisure/retail/transport hub in Aberdeen * Union Square Saigon, Vietnam, a complex building of shopping mall and hotel * Union of Lublin Square, Warsaw, Poland *Piața Unirii (disambiguation), "Union Square" in Romanian
==Other== * ''Union Square'' (TV series), an NBC comedy series that aired during the 1997–1998 season * ''Union Square'' (film), a 2011 film * ''Union Square'', a 1988 book by author Meredith Tax * "Union Square", a song by Tom Waits from ''Rain Dogs'' * Union Square & Company publishing company
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