ECA

ECA may refer to:

Companies

 * ECA International, a consulting firm
 * ECA Records
 * Encana
 * Eurocypria Airlines
 * European Coastal Airlines

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 Cooperation Administration, a former United States government agency
 * European Court of Auditors, an institution of the European Union
 * Executive Council of Alberta, the Canadian province's executive branch
 * Export credit agency
 * 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 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

Science and technology

 * Elementary cellular automaton
 * Engineering Critical Assessment
 * Enterobacterial common antigen
 * Enterprise Collaboration Architecture, a standard of the Object Management Group
 * Ethyl cyanoacrylate
 * Event condition action, a principle to define triggers in a database

Sports

 * European Canoe Association
 * 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
 * Emission Control Area, sea areas with regulated sulfur and nitrous oxides emission caps
 * Electrical Contractors' Association, a British industry association
 * 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
 * Evangelical Church Alliance
 * Luiz Eça (1936–1992), Brazilian pianist