// Workers AI · dad joke modeWhat did ISO say to its date? "You're a standard match

ISO is the International Organization for Standardization, an international standards development organization.

ISO, iso, or Iso may also refer to:

Business and finance

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

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

Iso (album), a 1994 studio album by Ismaël Lô
Iceland Symphony Orchestra
Indianapolis Symphony Orchestra, Indiana, United States
International Symphony Orchestra, of Sarnia, Ontario and Port Huron, Michigan, United States

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, an American Trotskyist organization, active from 1976 to 2019
International Socialist Organisation (Australia), an Australian Trotskyist organization, active from 1971 to 2008
International Socialist Organisation (Germany), a German Trotskyist organisation, established in 2016
International Socialist Organisation (New Zealand), a New Zealand Trotskyist organization, founded in the early 1990s
Interstedelijk Studenten Overleg (Dutch National Students Association), the Netherlands
Iran Scout Organization, a youth organization in Iran

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, the 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, or integumentary sensory organ

Imperial Service Order, an award in the British honours system
Isolated Power, a sabermetrics baseball statistic
Iso (American football), a type of play used in American football
ISO (dinghy), a class of sailing dinghy
Iso (basketball play), short for isolation
In search of, in texting and internet slang the phrase "in search of" is often abbreviated as iso List of acronyms: I
Isoko language (ISO 639-3 code: iso)
Kinston Regional Jetport, North Carolina, United States (IATA code: ISO)