# ISO (disambiguation)

ISO is the abbreviation for the International Organization for Standardization.
ISO or Iso may also refer to:

## Business and finance

* Iso (supermarket), a chain of Danish supermarkets incorporated into the SuperBest chain in 2007.
* Iso Omena ("Big Apple"), a shopping center in Finland.
* Incentive stock option, a type of employee stock option.
* Independent Sales Organization, a company that partners with an acquiring bank to provide merchant services.
* Insurance Services Office, an American insurance underwriter.
* Intermarket sweep order, a type of limit order on financial markets.
* Iso (automobile), an Italian car manufacturer.

## Arts and entertainment

* Isomorphic Algorithms (ISO's), a fictional race in the digital world of Tron: Legacy.
* Iso (comics), a Marvel comics character.

### Music

* Iso (album), an album by Ismaël Lô.
* Iceland Symphony Orchestra
* Indianapolis Symphony Orchestra, Indiana, US.
* International Symphony Orchestra, of Sarnia, Ontario and Port Huron, Michigan, US.

## Organizations

* Imamia Students Organisation, an Islamic organization in Pakistan.
* Independent system operator, a North American organization that coordinates, controls and monitors the operation of the electrical power system.
* Internal Security Organisation, a government security agency in Uganda.
* International Organization for Standardization.
** List of International Organization for Standardization standards, a list of ISO standards.
* International Socialist Organization, United States Trotskyist organization, active from 1976 to 2019.
* International Socialist Organisation (Australia), Australian Trotskyist organization, active from 1971 to 2008.
* International Socialist Organisation (Germany), German Trotskyist organisation, established in 2016.
* International Socialist Organisation (New Zealand), New Zealand Trotskyist organization, founded in the early 1990s.
* Interstedelijk Studenten Overleg (Dutch National Students Association), the Netherlands.
* Iran Scout Organization.

## People

* Mitsuo Iso (磯 光雄, Iso Mitsuo; born 1966), Japanese animator
* Iso Mutsu (睦磯, Mutsu Iso; 1867–1930), British writer
* Tomiaki Iso (礒 富昭, born 1954), Japanese rower
* Volmari Iso-Hollo (1907–1969), Finnish athlete
* Iso Lero "Džamba", Yugoslav criminal

## Places

* Iso-Heikkilä, a district in Turku, Finland
* Iso-Naakkima, a lake in Finland
* Iso-Roine, a lake in Finland

## Science and technology

* ISO character set (disambiguation)
* ISO base media file format, a container format for time-based multimedia files
* ISO 5800, a film speed system
** Digital camera ISO, light sensitivity of a digital image sensor
* ISO 8601, a date format
* ISO(n), the Euclidean group
* Isopropyl alcohol, the simplest secondary alcohol
* Infrared Space Observatory, a space telescope active from 1995 to 1998
* International Science Olympiad, a series of science competitions for students
* Iso (fish), a genus of surf sardines in the family Notocheiridae
* Isomer, chemicals with the same chemical formula but different structures
* Isorhapontigenin, a stilbenoid (chemical)
* Isotonitazene, a benzimidazole-derived opioid analgesic drug, colloquially referred to as "iso"
* Optical disc image (ISO image), a file containing the whole contents of an optical disc
* ISO: integumentary sensory organ

## Other uses

* Imperial Service Order, an award in the British honours system
* Isolated Power, a sabermetrics baseball statistic
* Kinston Regional Jetport (IATA airport code: ISO), North Carolina, US
* Iso (American football), a type of play used in American football
* ISO (dinghy), a class of sailing dinghy
* Iso (basketball play), short for isolation