Isa or ISA may refer to:

Places

Isa, Amur Oblast Isa () is a types of inhabited localities in Russia, rural locality (a settlement) in Isinsky Selsoviet of Selemdzhinsky District, Amur Oblast, Russia. The population was 433 as of 2018. There are 11 streets. Geography Isa is located 294 km sout ...

, Russia * Isa, Kagoshima, Japan * Isa, Nigeria * Isa District, Kagoshima, former district in Japan * Isa Town, middle class town located in Bahrain * Mount Isa, Queensland, Australia * Mount Isa Airport, IATA airport code "ISA" * Isa (river), a river in Belarus

People

* Īsā, the name of Jesus in Islam * Isa (name), an Arabic name corresponding to Jesus in English * Isa, stage name of Lee Chae-young, member of K-Pop group

STAYC STAYC (; , acronym for Star to a Young Culture) is a South Korean girl group formed by High Up Entertainment. The group is composed of six members: Sumin, Park Si-eun (entertainer), Sieun, Isa, Seeun, Yoon, and J. Mainly produced by K-pop duo ...

* Isa, female given name, short for Isabel or similar names beginning with Isa- such as Isadora * Isa Maud Ilsen (1868–1937), Canadian-American music therapist, nurse, lecturer * Isa Tengblad (born 1998), Swedish singer using the mononym Isa * Juan Isa (1913–1993), president of the International Baseball Federation (FIBA) from 1969 to 1975

Arts, entertainment, and media

Fictional entities

* ISA (''Days of Our Lives''), spy agency in TV series * Isa the iguana, in TV series '' Dora the Explorer'' *Interplanetary Strategic Alliance (ISA), military alliance in videogame saga '' Killzone''

Other uses in arts, entertainment, and media

* ''Isa'' (Enslaved album), 2004 * Isa (Zaz album), 2021 * ''Isa'' (film), a 2014 television film * Isa, a dance in music of the Canary Islands

Computing

* Industry Standard Architecture, a PC computer bus standard *

Instruction set architecture In computer science, an instruction set architecture (ISA) is an abstract model that generally defines how software controls the CPU in a computer or a family of computers. A device or program that executes instructions described by that ISA, ...

, the specification for data types, registers, instructions, etc. for a given computer hardware architecture * Is-a, a relationship between abstractions in programming * Internet Security and Acceleration, a network router, firewall, antivirus program, VPN server and web cache from Microsoft Corporation

Education

* Indian Squash Academy, Chennai, India * Independent Schools Association (Australia), mainly for sports * Independent Schools Association (UK), organisation for independent schools in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

* Iniciativa de Salud de las Americas, Spanish name for Health Initiative of the Americas * Institute for the Study of the Americas, University of London, England * Instituto Superior de Agronomia, an agronomy faculty in Lisbon, Portugal * Instituto Superior de Arte, an art school in Havana, Cuba * International School Amsterdam, the Netherlands * International School Augsburg * International School of Aleppo, Syria * International School of Athens, Greece * International School of the Americas, San Antonio, Texas *

International Studies Association The International Studies Association (ISA) is a US-based professional association for scholars and practitioners in the field of International relations, international studies. Founded in 1959, ISA has been headquartered at the University of Con ...

* Islamic Saudi Academy

Finance

* Income share agreement, a borrowing agreement sometimes used for tuition loans in the United States * Individual savings account, class of retail investment arrangement available in the United Kingdom * International Standards on Auditing, professional standards for the auditing of financial information. *

Israel Securities Authority The Israel Securities Authority (ISA) (Hebrew: רשות ניירות ערך) is the national securities regulator of Israel. Established by law in 1968, the Israel Securities Authority sees its mandate as a way to ensure an efficient capital mar ...

, Israel's national securities regulator

Companies

* Interconexion Electrica, a Colombian company operating energy transmission lines

Government

* Independent Safeguarding Authority, former UK child protection agency * Intelligence Services Act 1994, UK * Intelligence Support Activity, of the US Army * Internal Security Agency, secret service and counter-espionage agency in Poland * International Seabed Authority, for mineral-related activities * International Searching Authority, for patents * International Solar Alliance * Interoperability Solutions for European Public Administrations, EU * Invention Secrecy Act of the United States Congress *

Iranian Space Agency The Iranian Space Agency (ISA, Persian language, Persian: ''Sāzmān-e Fazāi-ye Irān'') is Iran's Government of Iran, governmental space agency. The Iranian Space Research Center and Iranian Space Agency are the main organizations carrying ...

* Israel Security Agency or Shin Bet, Israel * Israel Space Agency * Israel State Archives, the national archive of Israel * Italian Space Agency

Organizations and brands

* Industry Super Australia, the peak body for industry superannuation funds in Australia * Innovative Software Applications, a company taken over by Sorcim in 1982 * International Federation of the National Standardizing Associations * International Seabed Authority *

International Socialist Alternative International Socialist Alternative (ISA) is an international association of Trotskyist political parties. ISA was founded by sections on one side of a split in the Committee for a Workers' International (CWI). History In 2018 and 2019, a di ...

, an international association of Trotskyist political parties. * International Society of Arboriculture, a non-profit botanical organization * International Society of Automation, a non-profit professional organization for engineers, technicians, and students *

International Sociological Association The International Sociological Association (ISA) is a non-profit organization dedicated to scientific purposes in the field of sociology and social sciences. It is an international sociological body, gathering both individuals and national sociol ...

* International Soling Association * International Surfing Association, the world governing authority for the sport of surfing * Irish Sailing Association, the governing body for sailing in Ireland * International Slackline Association

Science

* Isosaccharinic acid, a six-carbon sugar acid * Intrinsic sympatheticomimetic activity, a term used with beta blockers that are partial agonists * Infectious salmon anemia, a viral disease of salmon * International Standard Atmosphere, an atmospheric model of the Earth * International Seismological Association, former name of the ''International Association of Seismology and Physics of the Earth's Interior (IASPEI)''

Entomology

* Isa (moth), a genera of moths.

Other uses

* Intelligent speed adaptation, systems to automatically enforce vehicle speed limits * International Symbol of Access, blue and white wheelchair symbol * ISA Brown, type of chicken * Ideological state apparatus, a theory by Louis Althusser