Union

Union commonly refers to:


 * Trade union, an organization of workers
 * Union (set theory), in mathematics, a fundamental operation on sets

Union may also refer to:

Music

 * Union (band), an American rock group
 * Union (Union album), 1998
 * Union (Chara album), 2007
 * Union (Toni Childs album), 1988
 * Union (Cuff the Duke album), 2012
 * Union (Paradoxical Frog album), 2011
 * Union, a 2001 album by Puya
 * Union, a 2001 album by Rasa
 * Union (Son Volt album), 2019
 * Union (The Boxer Rebellion album), 2009
 * Union (Yes album), 1991
 * "Union" (Black Eyed Peas song), 2005

Other uses in arts and entertainment

 * Union (Star Wars), a Dark Horse comics limited series
 * Union, in the fictional Alliance–Union universe of C. J. Cherryh
 * Union (Horse with Two Discs), a bronze sculpture by Christopher Le Brun, 1999–2000
 * The Union (Marvel Team), a Marvel Comics superhero team and comic series

Education

 * Union Academy (disambiguation), the name of several institutions
 * Union College (disambiguation), the name of several institutions
 * Union Institute & University, in Ohio, U.S.
 * Union Presbyterian Seminary, in Virginia, U.S.
 * Union Public Schools, a school district in Oklahoma, U.S.
 * Union School of Theology, in Wales
 * Union Theological College, in Northern Ireland
 * Union Theological Seminary (disambiguation), the name of several institutions
 * Union University (disambiguation), the name of several institutions

History and politics

 * Economic union, a type of trade bloc
 * Political union, a type of state which is composed of or created out of smaller states
 * Personal union, the combination of two or more states that have the same monarch
 * Poor law union, a former unit of local government in the United Kingdom
 * Real union, a union of two or more states, which share some state institutions
 * CDU/CSU, or the Union, a German political alliance
 * Union (American Civil War), U.S. states that were loyal to the U.S. federal government
 * Union (Hungarian-German trade union council)
 * Union (Madagascar), a political party

Canada

 * Union, Elgin County, Ontario
 * Union, Leeds and Grenville United Counties, Ontario
 * Union, Nova Scotia
 * Union, Prince Edward Island

United States

 * Union, Alabama
 * Union, Connecticut
 * Union, Illinois
 * Union, Logan County, Illinois
 * Union, Indiana
 * Union, Iowa
 * Union, Kentucky
 * Union, Louisiana
 * Union Parish, Louisiana
 * Union, Maine
 * Union, Mississippi
 * Union, Missouri, in Franklin County
 * Union, Clark County, Missouri
 * Union, Nebraska
 * Union, New Hampshire
 * Union (CDP), New Jersey
 * Union (hamlet), New York, in Madison County
 * Union, New York, in Broome County
 * Union, Ohio, a city in Montgomery and Miami Counties
 * Union, Oregon
 * Union, Pennsylvania (disambiguation)
 * Union, South Carolina
 * Union, Texas
 * Union, Virginia
 * Union, Washington
 * Union, West Virginia
 * Union, Barbour County, West Virginia
 * Union, Wisconsin (disambiguation)
 * Union Township, New Jersey (disambiguation)
 * Arcata, California, first settled as Union
 * Mount Union (Arizona)

Elsewhere

 * Union, Grenada
 * Unión, Paraguay
 * Union, Bohol, Philippines
 * Union, Dapa, Philippines
 * Union Island, Saint Vincent and the Grenadines

Science and mathematics

 * Union (set theory), in mathematics, a fundamental operation on sets
 * Union (SQL), an set operation
 * Union type, in computer science, a type of data structure

Sports

 * 1. FC Union Berlin, a German association football club
 * Chicago Unions, a professional, Black baseball team that played in the US in the late 19th century, prior to the formation of the Negro leagues.
 * Chicago Union Giants, a former American baseball team in the Negro leagues
 * Philadelphia Union, a soccer team
 * Royale Union Saint-Gilloise, a Belgian association football club
 * Shaanxi Union F.C., a Chinese association football club
 * Union of European Football Associations
 * Union Race Course, formerly in San Francisco, U.S.

Other uses

 * List of ships named Union
 * Union (automobile), made by the Union Automobile Company 1902–1905
 * Union (plumbing), a pipe fitting
 * Union (United States coin), a proposed $100 coin
 * Gabrielle Union (born 1972), an American actress