Closure may refer to:

Conceptual

Psychology

* Closure (psychology), the state of experiencing an emotional conclusion to a difficult life event

Computer science

* Closure (computer programming), an abstraction binding a function to its scope * Relational database model#Set-theoretic formulation, Relational database model: Set-theoretic formulation and Armstrong's axioms for its use in database theory

Mathematics

* Closure (mathematics), the result of applying a closure operator * Closure (topology), for a set, the smallest closed set containing that set

Philosophy

* Epistemic closure, a principle in epistemology * Deductive closure, a principle in logic * Cognitive closure (philosophy), Cognitive closure, a principle in philosophy of mind * ''Closure: A Short History of Everything'', a philosophical book by Hilary Lawson

Sociology

* Closure (sociology) * Closure, a concept in the social construction of technology#Closure, social construction of technology

Physical objects

* Closure (container) used to seal a bottle, jug, jar, can, or other container ** Closure (wine bottle), a stopper * Hook-and-eye closure

Arts and entertainment

Film and television

* ''Straightheads'', a 2007 British thriller film, US release title ''Closure'' * Closure (The X-Files), "Closure" (''The X-Files''), a 2000 episode of the television series ''The X-Files'' * Closure (8 Simple Rules episode), "Closure" (''8 Simple Rules'' episode), a 2005 episode of the sitcom ''8 Simple Rules'' * Closure (Raines), "Closure" (''Raines''), a 2007 episode of the crime drama ''Raines'' * Closure (Tru Calling), "Closure" (''Tru Calling''), a 2004 episode of the supernatural drama ''Tru Calling'' * A two-part episode, split between Law & Order: Special Victims Unit (season 1), seasons 1 Law & Order: Special Victims Unit (season 2), and 2 of ''Law and Order: SVU'' * Closure (Agents of S.H.I.E.L.D.), "Closure" (''Agents of S.H.I.E.L.D.''), a 2015 episode of the television series ''Agents of S.H.I.E.L.D.''

Music

* Closure (band), Canadian rock band * Closure (video), ''Closure'' (video), a 1997 Nine Inch Nails video set

Albums and EPs

* Closure (Attila album), ''Closure'' (Attila album), 2021 album by Attila * Closure (Closure album), ''Closure'' (Closure album), 2003 album by Closure * ''Closure'', 2004 EP by Everclear discography, Everclear * Closure (Integrity album), ''Closure'' (Integrity album), 2001 album by Integrity * Closure (Spahn Ranch album), ''Closure'' (Spahn Ranch album), 2001 * ''Closure: Live'', 2001 live album by Theatre of Tragedy

Songs

* "Closure", by Aly & AJ from ''Insomniatic'', 2007 * "Closure", by Asking Alexandria from ''Reckless & Relentless'', 2011 * "Closure", by Botch from ''The Unifying Themes of Sex, Death and Religion'', 1997 * Closure (Cadet song), "Closure" (Cadet song), single by Cadet, 2017 * Closure (Chevelle song), "Closure" (Chevelle song), by Chevelle from ''Wonder What's Next'', 2002 * "Closure", by Divine Heresy from ''Bleed the Fifth'', 2007 * "Closure", by Gabrielle from ''Always (Gabrielle album), Always'', 2007 * "Closure", single by Hayley Warner, 2015 * "Closure", by Hood from ''Outside Closer'', 2005 * "Closure", by Maroon 5 from ''Red Pill Blues'', 2017 * "Closure", by Opeth from ''Damnation (album), Damnation'', 2003 * Closure (Scarlett Belle song), "Closure" (Scarlett Belle song), single by Scarlett Belle, 2010 * "Closure", by The Story So Far from ''Under Soil and Dirt'', 2011 * "Closure", by Taylor Swift from "Evermore (Taylor Swift album), Evermore" * "Closure", by I Prevail from "True Power", 2022

Other arts and entertainment

* Closure (video game), ''Closure'' (video game), a 2012 puzzle game * ''Closure: A Short History of Everything'', a philosophical book by Hilary Lawson * Poetic closure, the sense of conclusion given at the end of a poem

Other uses

* Closure or cloture, a motion in parliamentary procedure to bring debate to a quick end * Closure (business), the process by which an organization ceases operations * Closure (atmospheric science), a type of experiment in aerosol and cloud studies