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
- Isa (river), a river in Belarus

## People

- Isa (name), an Arabic name corresponding to Jesus in English
- Īsā, the name of Jesus in Islam
- Isa Tengblad (born 1998), Swedish singer using the mononym Isa
- Isa, real name is Lee Chae-young, singer, member of STAYC

### 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_ (album), a 2004 album by Enslaved
- Isa (comics), of graphic novel series _Les Passagers du vent_
- _Isa_ (movie), a 2014 television movie
- 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)
- 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, US, a borrowing agreement sometimes used for tuition loans
- Individual savings account, UK
- International Standards on Auditing
- Israel Securities Authority

## 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
- 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
- Information Systems Associates FZE, an aviation software house
- Innovative Software Applications, a company taken over by Sorcim in 1982
- 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

## 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

## 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