Collection or Collections may refer to:

Computing

Collection (abstract data type) In computer programming, a collection is an abstract data type that is a grouping of items that can be used in a Polymorphism (computer science), polymorphic way. Often, the items are of the same data type such as Integer (computer science), int ...

, the abstract concept of collections in computer science * Collection (linking), the act of linkage editing in computing * Garbage collection (computing), automatic memory management method

Mathematics

Set (mathematics) In mathematics, a set is a collection of different things; the things are '' elements'' or ''members'' of the set and are typically mathematical objects: numbers, symbols, points in space, lines, other geometric shapes, variables, or other se ...

* Class (set theory) * Family of sets *

Indexed family In mathematics, a family, or indexed family, is informally a collection of objects, each associated with an index from some index set. For example, a family of real numbers, indexed by the set of integers, is a collection of real numbers, wher ...

* Multiset * Parametric family

Albums

Collection

* ''Collection'' (Soccer Mommy album), 2017 * ''Collection'' (2NE1 album), 2012 * ''Collection'' (Agnes album), 2013 * ''Collection'' (Arvingarna album), 2002 * ''Collection'' (Jason Becker album), 2008 * ''Collection'' (Tracy Chapman album), 2001 * ''Collection'' (The Charlatans album) * ''Collection'' (Dave Grusin album), 1989 * ''Collection'' (The Jam album) * ''Collection'' (Wynonna Judd album) * ''Collection'' (Magnus Uggla album), 1985 * ''Collection'' (Men Without Hats album), 1996 * ''Collection'' (MFÖ album), 2003 * ''Collection'' (Mike Oldfield album), 2002 * ''Collection'' (Praxis album), 1998 * ''Collection'' (The Rankin Family album), 1996 * ''Collection'' (Lee Ritenour album), 1991 * ''Collection'' (Joe Sample album), 1991 * ''Collection'' (Spyro Gyra album), 1991 * ''Collection'' (The Stranglers album), 1998 * ''Collection'' (Suicidal Tendencies album), 1993 * ''Collection'' (Thee Michelle Gun Elephant album), 2001 * ''Collection'' (The Warratahs album), 2003 * ''Collection: The Shrapnel Years'' (Greg Howe album), 2006 * ''Collection: The Shrapnel Years'' (Tony MacAlpine album), 2006 * ''Collection: The Shrapnel Years'' (Vinnie Moore album), 2006 * '' Collection I'', a 1986 compilation album of songs by the Misfits * '' Collection II'', a 1995 companion album to the Misfits' ''Collection I''

Collections

* ''Collections'' (Alexia album) * ''Collections'' (Rick Astley album), 2006 * ''Collections'' (Cypress Hill album) * ''Collections'' (Terence Trent D'Arby album), 2006 * ''Collections'' (Delphic album), 2013 * ''Collections'' (Amanda Marshall album), 2006 * ''Collections'' (Charlie Major album), 2006 * ''Collections'' (Red Norvo, Art Pepper, Joe Morello and Gerry Wiggins album), 1957 * ''Collections'' (Yanni album), 2008 * ''Collections'' (The Young Rascals album), 1967

Fashion

* Cruise collection * Texas Fashion Collection

Other uses

* Cash collection, the function of an accounts receivable department * Collection (church), money donated by the congregation during a church service * Collection agency, agency to collect cash * Collections management (museum) ** Collection (museum), objects in a particular field forms the core basis for the museum ** Fonds in archives ** Private collection, sometimes just called "collection" * Collection (Oxford colleges), a beginning-of-term exam or Principal's Collections * Collection (horse), a horse carrying more weight on his hindquarters than his forehand * Collection (racehorse), an Irish-bred, Hong Kong–based Thoroughbred racehorse * Collection (publishing), a gathering of books under the same title at the same publisher * Scientific collection, any systematic collection of objects for scientific study * ''Collection'' (film), a 2021 film starring Alex Petttyfer * Collection #1, a database of sets of email addresses and passwords * Collections care, to prevent or delay the deterioration of cultural heritage * Collection class, in object-oriented programming * Generated collection, a musical scale formed by repeatedly adding a constant interval around the chromatic circle