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