ICA or ica may refer to:

Places

* Ica, Peru, a city in southern Peru ** Ica Province, containing the city ***

Ica Region Ica (; qu, Ika) is a department and region of Peru. It borders the Pacific Ocean on the west; the Lima Region on the north; the Huancavelica and Ayacucho regions on the east; and the Arequipa Region on the south. Its capital is the city of ...

, containing the province ** Ica River, passing through the city * Içá River, Brazil, also known as the

Putumayo River The Putumayo River or Içá River ( es, Río Putumayo, pt, Rio Içá) is one of the tributaries of the Amazon River, southwest of and parallel to the Japurá River. Course The Putumayo River forms part of Colombia's border with Ecuador, as we ...

, a tributary of the Amazon

Companies and organizations

Empresas ICA Empresas ICA is a construction company that was founded on 4 July 1947, by Mexican civil engineer Bernardo Quintana Arrioja. The company has built multiple landmarks, buildings, and facilities in Mexico, including the Estadio Azteca, the modern ...

, a Mexican construction company *

ICA AB ICA Gruppen AB (publ) (; "ICA Group"; from ''Inköpscentralernas aktiebolag'', ) (formerly Hakon Invest AB) is a Swedish retailer franchise with a focus on food and health. The group also owns a bank, real estate division and a pharmacy chain. T ...

, a Swedish retail food business, formerly named ICA Ahold AB *

Indoor Cricket Australia Indoor cricket is a variant of and shares many basic concepts with cricket. The game is most often played between two teams each consisting of six or eight players.Zeiss Ikon *

International Cartographic Association The International Cartographic Association (ICA) (french: Association Cartographique Internationale, ''ACI''), is an organization formed of national member organizations, to provide a forum for issues and techniques in cartography Cartogra ...

* International Chiropractors Association * International Clarinet Association * International Co-operative Alliance, the worldwide umbrella body for co-operatives *

International Commission for Acoustics The purpose of the International Commission for Acoustics (ICA) is to promote international development and collaboration in all fields of acoustics including research, development, education, and standardisation. The ICA is a Scientific Associate ...

International Communication Association The International Communication Association (ICA) is an academic association for scholars interested in the study, teaching and application of all aspects of human and mediated communication. ICA communicates within the association and with ot ...

* International Congress of Actuaries *

International Congress of Americanists The International Congress of Americanists (ICA) is an international academic conference for research in multidisciplinary studies of the Americas. Established August 25, 1875 in Nancy, France, the scholars' forum has met regularly since its incep ...

International Cooperation Administration The International Cooperation Administration (ICA) was a United States government agency operating from June 30, 1955 until September 4, 1961, responsible for foreign assistance and 'nonmilitary security' programs. It was the predecessor of the ...

, a United States government agency concerned with international development *

International Council on Archives The International Council on Archives (ICA; French: ''Conseil international des archives'') is an international non-governmental organization which exists to promote international cooperation for archives and archivists. It was set up in 1948, wi ...

Irish Citizen Army The Irish Citizen Army (), or ICA, was a small paramilitary group of trained trade union volunteers from the Irish Transport and General Workers' Union (ITGWU) established in Dublin for the defence of workers' demonstrations from the Dublin ...

, an organization which lasted up to 1916 to rid Ireland of British rule *

Irish Countrywomen's Association The Irish Countrywomen's Association (ICA; ga, Bantracht na Tuaithe) is the largest women's organisation in Ireland, with over 15,000 members. Founded in 1910 as the Society of United Irishwomen, it exists to prove social and educational oppor ...

* Islamic Cultural Association (Hong Kong)

Government and law

Immigration and Checkpoints Authority The Immigration and Checkpoints Authority (ICA) is a law-enforcement command within the Ministry of Home Affairs (MHA), the border control agency responsible for frontline border control operations at air, sea and rail ports in Singapore. ICA w ...

, in Singapore * Interconnect agreement, between a utility and a customer * International Coffee Agreement, a UN pact establishing the International Coffee Organization *

International Court of Arbitration ICC International Court of Arbitration is an institution for the resolution of international commercial disputes. It operates under the auspices of the International Chamber of Commerce and consists of more than 100 arbitrators from roughly 90 c ...

Interstate Commerce Act The Interstate Commerce Act of 1887 is a United States federal law that was designed to regulate the railroad industry, particularly its monopolistic practices. The Act required that railroad rates be "reasonable and just," but did not empower ...

, US legislation establishing the regulatory Interstate Commerce Commission *

Islamic Consultative Assembly The Islamic Consultative Assembly ( fa, مجلس شورای اسلامی, Majles-e Showrā-ye Eslāmī), also called the Iranian Parliament, the Iranian Majles (Arabicised spelling Majlis) or ICA, is the national legislative body of Iran. The P ...

, the main legislative body of the Iranian government

Medicine

* Internal carotid artery *

Intracranial aneurysm An intracranial aneurysm, also known as a brain aneurysm, is a cerebrovascular disorder in which weakness in the wall of a cerebral artery or vein causes a localized dilation or ballooning of the blood vessel. Aneurysms in the posterior circu ...

Islet cell antibodies Slowly evolving immune-mediated diabetes, or latent autoimmune diabetes in adults (LADA), is a form of diabetes that exhibits clinical features similar to both type 1 diabetes (T1D) and type 2 diabetes (T2D), and is sometimes referred to as type 1 ...

(ICA), test

Museums

* Institute for Contemporary Art, Richmond, Virginia, US *

Institute of Contemporary Art, Boston The Institute of Contemporary Art (ICA) is an art museum and exhibition space located in Boston, Massachusetts, United States of America. The museum was founded as the Boston Museum of Modern Art in 1936. Since then it has gone through multiple na ...

, US *

Institute of Contemporary Art, Philadelphia The Institute of Contemporary Art or ICA is a contemporary art museum in Philadelphia. The museum is associated with the University of Pennsylvania, and is located on its campus. The Institute is one of the country's leading museums dedicated to e ...

, US *

Institute of Contemporary Arts The Institute of Contemporary Arts (ICA) is an artistic and cultural centre on The Mall in London, just off Trafalgar Square. Located within Nash House, part of Carlton House Terrace, near the Duke of York Steps and Admiralty Arch, the ICA ...

, London, UK

Schools

Immaculate Conception Academy Immaculate Conception Academy, Dasmariñas (ICA Dasmariñas) is a private, nonsectarian educational institution in Dasmariñas, Philippines. It is owned and managed by the school board of directors. History Immaculate Conception Academy, In ...

, Philippines * Instituto Coreano Argentino, Buenos Aires, Argentina * International Christian Academy, an American boarding school in Bouaké, Ivory Coast (Côte d'Ivoire) * Irlam and Cadishead Academy, England *

Islamitisch College Amsterdam Islamitisch College Amsterdam (ICA), was an Islamic secondary school in Amsterdam Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the Capital of the Netherlands, capital and Municipalities of the Netherlands, most populous city o ...

, Netherlands * Ivy Collegiate Academy, Taiwan

Sports

* Intercontinental A, a kart racing class for top drivers aged 15 and up *

International Cycling Association The International Cycling Association (ICA) was the first international body for cycle racing. Founded by Henry Sturmey in 1892 to establish a common definition of amateurism and to organise world championships its role was taken over by the Unio ...

, the first international body for cycle racing * Israel Start-Up Nation, a professional cycling

team A team is a group of individuals (human or non-human) working together to achieve their goal. As defined by Professor Leigh Thompson of the Kellogg School of Management, " team is a group of people who are interdependent with respect to infor ...

, until 2018 known as ''Israel Cycling Academy'', with ICA being the official team code used by the sport's governing body.

Technology

Independent component analysis In signal processing, independent component analysis (ICA) is a computational method for separating a multivariate signal into additive subcomponents. This is done by assuming that at most one subcomponent is Gaussian and that the subcomponents a ...

, in signal processing and statistical data analysis *

Independent Computing Architecture Independent Computing Architecture (ICA) is a proprietary protocol for an application server system, designed by Citrix Systems. The protocol lays down a specification for passing data between server and clients, but is not bound to any one platf ...

, a proprietary protocol for an application server system *

Interbank Card Association Number Interbank is a Peruvian provider of financial services. History In 1897, Elias Mujica opened an agency at Jiron de la Union in Lima's historical center under the name of ''Banco Internacional''. In 1934, branches were opened in Chiclayo an ...

, a four-digit number assigned by MasterCard to identify financial institutions * .ica, a

file type A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free. Some file format ...

Citrix Workspace Citrix Workspace (formerly Citrix Workspace Suite) is a digital workspace software platform developed by Citrix Systems. Launched in 2018, it is Citrix Systems' flagship product. Citrix Workspace is an information retrieval service where users ca ...

Other uses

ICa (card) is a rechargeable contactless smart card ticketing system for public transport in Kanazawa, Ishikawa, Kanazawa, Japan, introduced by Hokuriku Railroad (Hokutetsu), from December 1, 2004. The name is the portmanteau of ''Integrated Circuit, IC'' an ...

, a smart card ticketing system for public transport in Kanazawa, Japan *

Ica language Arhuaco, commonly known as Ikʉ, ( arh, Ikʉ, link=no) is an indigenous peoples of the Americas, Indigenous American language of the Chibchan languages, Chibchan language family, spoken in South America by the Arhuaco people.Ignition Control Additive, in the 1960s, Shell Petroleum's term for gasoline octane rating booster * International Contract Agency, a

fictional Fiction is any creative work, chiefly any narrative work, portraying individuals, events, or places that are imaginary, or in ways that are imaginary. Fictional portrayals are thus inconsistent with history, fact, or plausibility. In a traditio ...

, supranational murder-for-hire organisation featured in the ''

Hitman Contract killing is a form of murder or assassination in which one party hires another party to kill a targeted person or persons. It involves an illegal agreement which includes some form of payment, monetary or otherwise. Either party may b ...

'' franchise.