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

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: Script error: No such module "Lang".), in Brazil

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

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

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

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

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

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 the EU pharmaceutical industry
European Communist Action, a coalition of political parties
Evangelical Church Alliance