ISO is the most common 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 Incentive stock options (ISOs), are a type of employee stock option that can be granted only to employees and confer a U.S. tax benefit. ISOs are also sometimes referred to as statutory stock options by the IRS. ISOs have a strike price, which is ...

, a type of employee stock option * Independent Sales Organization, a company that partners with an acquiring bank to provide merchant services *

Insurance Services Office Insurance Services Office, Inc. (ISO), a subsidiary of Verisk Analytics, is a provider of statistical, actuarial, underwriting, and claims information and analytics; compliance and fraud identification tools; policy language; information abo ...

, an American insurance underwriter *

Intermarket sweep order Intermarket sweep orders (ISO) is a type of stock market order that sweeps several different market centers and scoop up as many shares as possible from them all. These work against the order-protection rule under regulation NMS. For example, if ...

, a type of limit order on financial markets *

Iso (automobile) ISO Rivolta is an Italian car and motorbike manufacturer active in the motor vehicle sector since 1938. Over the years, the company has taken various names, including Isothermos, Iso Autoveicoli Spa in 1952, Iso Rivolta in 1962, Iso Motors in 1 ...

, an Italian car manufacturer

Arts and entertainment

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

Music

* Iso (album), ''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 * ISO Records, a vanity label by British musician David Bowie

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 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 * International Organization for Standardization ** List of International Organization for Standardization standards, a list of ISO standards * (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 * , 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 image, a file containing the whole contents of an optical disc * 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), ''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" * Sensory organ, 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