Union Square may refer to:

• Union Square, Baltimore, Maryland
• 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 (Washington, D.C.)
• 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, Boston, Massachusetts
  • Union Square station (Allston), a former Massachusetts Bay Transportation Authority station on the Green Line A branch
• Union Square (Somerville), Massachusetts
  • Union Square station (Somerville), a Massachusetts Bay Transportation Authority station on the Green Line D branch
• Union Square (Greensboro), North Carolina

• 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 of Lublin Square, Warsaw, Poland
• Piața Unirii (disambiguation), "Union Square" in Romanian

• 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

This disambiguation page lists articles associated with the title Union Square.
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