Union

Union is the state of being united or joined.

Union may also refer to:

Labor

Political union, a state created by merging two or more states
The Union, a term used to refer to the European Union
the Union, a term sometimes used to refer to the United Kingdom
The Union, a term sometimes used to refer to the United States
- Union (American Civil War), the United States government and the 25 states that remained loyal to it during the American Civil War (1861–1865)
The federal government of Brazil (Portuguese: União)
Union State, the entity combining the Russian Federation and the Republic of Belarus
Union Party (Ukraine), a political party in Ukraine
Union of India (or simply the Union), a term used by the Indian judicial system to refer to the central government of India
Union Councils of Bangladesh, local government units

Union type, in computer science, a type of data structure
Union (set theory), in mathematics, a fundamental operation and relation of sets
Union (SQL), an operator in the programming language SQL

Union, one of two major space powers in the Alliance–Union universe of science fiction writer C. J. Cherryh
Union (Star Wars), a Dark Horse Comics miniseries
Union (comics), a Wildstorm character

BAP Unión (BEV-161), Peruvian Navy ship
HMS Union, several British Royal Navy ships
USS Union, several United States Navy ships
Union (ship), sunk in Fiji in 1804
Union, a steamboat originally named Unio (sternwheeler), in Oregon, United States, in the 1860s

Union (plumbing), a pipe fitting
Gabrielle Union, American actress
The entering of two people into an committed arrangement, either as a formal marriage, or more commonly informally