# 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:

## Arts and entertainment
### 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 (film), a labor documentary released in 2024
* 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

## Places
### 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), a 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
* Union, Manchester, a co-living development in Manchester, England
* Gabrielle Union (born 1972), an American actress