# Case

Case or CASE may refer to:

## Instances

* Instantiation (disambiguation), a realization of a concept, theme, or design
* Special case, an instance that differs in a certain way from others of the type

## Containers

* Case (goods), a package of related merchandise
* Cartridge case or casing, a firearm cartridge component
* Bookcase, a piece of furniture used to store books
* Briefcase or attaché case, a narrow box to carry paperwork
* Computer case, the enclosure for a PC's main components
* Keep case, DVD or CD packaging
* Pencil case
* Phone case, protective or vanity accessory for mobile phones
** Battery case
* Road case or flight case, for fragile equipment in transit
* Shipping container or packing case
* Suitcase, a large luggage box
* Type case, a compartmentalized wooden box for letterpress typesetting

## Places

* Case, Laclede County, Missouri
* Case, Warren County, Missouri
* Case River, a Kabika tributary in Ontario, Canada
* Case Township, Michigan
* Case del Conte, Italy

## People

* Case (name), people with the surname (or given name)
* Case (singer), American R&B singer-songwriter and producer (Case Woodard)

## Arts, entertainment, and media

* The Case (1972), a TV movie starring Cliff Richards and Olivia Newton-John
* The Case (2007), a Chinese film
* Case (album), a 1996 album by American R&B singer and songwriter Case
* "Case" (song), a 2018 song by Nigerian singer Teni
* Réttur (transl. Case), an Icelandic drama series
* CASE, a fictional robot in Interstellar (film)

## Business, finance, and law

* CASE 30, an index of the Cairo & Alexandria Stock Exchange in Egypt
* Case Corporation, defunct manufacturer of agricultural equipment, tractors and cars
** Case Construction Equipment (Case CE), a manufacturer of construction equipment
** Case IH, a manufacturer of agricultural equipment
* W. A. Case & Son Manufacturing Co., a defunct American manufacturer of plumbing fixtures
* W. R. Case & Sons Cutlery Co., an American manufacturer of knives
* Business case, capturing the reasoning for initiating a project
* Legal case, a dispute between opposing parties, being resolved by a court proceeding

## Education

* Case (policy debate), in debate competition
* Case study, a research method involving an up-close, in-depth, and detailed examination of a particular case, in the social and life sciences
* Case Middle School, part of Punahou School in Oahu, Hawaii
* Case Western Reserve University, an independent research university in Cleveland, Ohio, US
* Center for Advanced Studies in Engineering, now Sir Syed CASE Institute of Technology, a private engineering institute in Islamabad, Pakistan
* Center for Architecture, Science and Ecology, a research facility of the Rensselaer Polytechnic Institute, US
* Centre for Christian Apologetics, Scholarship and Education, a ministry of New College, University of New South Wales
* Council for Advancement and Support of Education, a nonprofit association of educational institutions, US

## Language and linguistics

* Conceptually Accurate Signed English, a sign-language variety of Manually Coded English
* Grammatical case, a common form of morphosyntactic inflection
* Letter case, a typographical distinction between capital and small letter forms

## Science, technology, and mathematics
### Computing

* CASE, a database used by the British Citizens Advice charity
* Best, worst and average case, in computer science, types of case analysis
* Computer-aided software engineering, for the software development life cycle
* Computer-assisted structure elucidation, for molecular geometry
* Support case (or ticket), in an issue tracking system
* Switch statement, a control statement, in programming
* Use case, a description of a system's behaviour in response to requests

### Other science, technology and mathematics

* Calcium selenide (chemical formula: CaSe)
* Case-hardening, a process of hardening the surface of a metal object
* Case-shot, a type of anti-personnel canister ammunition similar to a shrapnel shell
* Case study, a research method involving in-depth examination of an individual
* Proof by cases (or exhaustion), in mathematics
* Contribution to ARIEL Spectroscopy of Exoplanets (CASE), an instrument onboard European space telescope ARIEL
* Limiting case (mathematics), a special case with one or more extreme parameter values
* Limiting case (philosophy of science), a theory subsumed by another