# ECA

ECA, Eca or Eça may refer to:

## Companies

* ECA International, a consulting firm
* ECA Records, a record label based in New York City
* Encana, a Canadian independent petroleum company that existed from 2002 to 2020
* Eurocypria Airlines, a Cypriot charter airline that operated from 1992 to 2010
* European Coastal Airlines, a Croatian seaplane operator that existed from 2000 to 2016

## Education

* ACES Educational Center for the Arts, in New Haven, Connecticut, United States
* Edinburgh College of Art, in Scotland
* Education Corporation of America, a company running schools in southern American states
* Emmanuel Christian Academy (Ohio), in Springfield, Ohio
* Escuela Campo Alegre, an American international school in Caracas, Venezuela
* Evangel Christian Academy, in Shreveport, Louisiana
* Evangelical Christian Academy (Madrid, Spain)
* School of Communications and Arts, University of São Paulo (Portuguese: Escola de Comunicações e Artes), in Brazil

## Government

* Bureau of Educational and Cultural Affairs, of the United States Department of State
* Economic Commission for Africa, a United Nations commission for encouraging economic cooperation among nations of the African continent)
* Economic Cooperation Administration, a former United States government agency
* Electronic Components Assemblies, a division of the Electronic Industries Alliance
* European Court of Auditors, an institution of the European Union
* Executive Council of Alberta, the Canadian province's executive branch
* Export credit agency, a private or quasi-governmental institution that acts as an intermediary between national governments and exporters
* United Nations Economic Commission for Africa, a commission to encourage economic cooperation among African countries

## Law

* Electoral Count Act, of the United States
* Essential Commodities Act, of the Parliament of India
* European Chips Act, a legislative package to encourage semiconductor production in the European Union
* European Communities Act 1972 (Ireland), of the Oireachtas (Irish Parliament)
* European Communities Act 1972 (UK), of the Parliament of the United Kingdom

## Medicine and anatomy

* ECA stack, a combination of ephedrine, caffeine, and aspirin
* Emergency care assistant, in the United Kingdom
* External carotid artery
* External control arm clinical trial

## People

* António Eça de Queiroz (1891 - 1968), a Portuguese monarchist politician and agitator
* António Júlio da Costa Pereira de Eça (1852 - 1917), a general of the Portuguese Army, a colonial administrator and minister of War
* Duarte de Eça (born c. 1480), 3rd Captain-major of Portuguese Ceylon
* Eça de Queiroz (1845 - 1900), one of the greatest Portuguese writers in the realist style
* Ferdinand of Portugal, Lord of Eça (c. 1378 - c. 1460), the son of Portuguese Infant John, Duke of Valencia de Campos
* Filipa de Eça (c. 1480 - 1551), a 16th-century Portuguese nun
* Joana de Eça (1480 - 1572), a Portuguese courtier and royal favorite
* Luiz Eça (1936 - 1992), Brazilian pianist

## Science and technology

* Elementary cellular automaton
* Engineering Critical Assessment
* Enterobacterial common antigen
* Enterprise Collaboration Architecture, a standard of the Object Management Group
* Ethyl cyanoacrylate
* European Crystallographic Association, an independent scientific organisation, representing both national crystallographic associations in Europe as well as individual members
* Event condition action, a principle to define triggers in a database

## Sports

* Euroleague Commercial Assets, a private company that runs and operates the top continental-wide basketball men's professional sports club competitions in Europe
* European Canoe Association, the umbrella organization for canoeing sport in Europe
* European Club Association, an association of European football clubs

## Other uses

* Easington Catchment Area, a group of natural gas fields in the North Sea
* Ecologically Critical Area, in Bangladesh
* Electrical Contractors' Association, a British industry association
* Emission Control Area, sea areas with regulated sulfur and nitrous oxides emission caps
* Entertainment Consumers Association, an American consumer advocacy organization
* Europe and Central Asia, an abbreviation used by the World Bank
* European Cockpit Association, a trade union
* European Compliance Academy, a leading European not-for-profit organization for promoting harmonization of GMP and regulatory guidelines within in the EU pharmaceutical industry
* European Communist Action, a coalition of political parties
* Evangelical Church Alliance