Isa

Isa or ISA may refer to:

Places

 * Isa, Amur Oblast, 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
 * 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

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, 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
 * 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
 * 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, Israel's national securities regulator

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 government
 * Iranian Space Agency
 * 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, 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
 * 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
 * International Security Association - ISA, the scientific association for security operatives in Switzerland

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