EAC

• Eastern Arizona College, in Thatcher, Arizona, United States
• Emilio Aguinaldo College, in Manila, Philippines

• East African Community, a trade bloc
• East Asian Community, a proposed trade bloc
• Election Assistance Commission of the Government of the United States
• Electoral Affairs Commission of Hong Kong
• Electricity Authority of Cambodia
• Electricity Authority of Cyprus
• Environmental audit committee of the Parliament of the United Kingdom
• European Advisory Commission, a commission arranged at the 1943 Moscow Conference between the Allies of World War II
• European Asylum Curriculum, a European Union project in the field of asylum

• Ehrlich ascites carcinoma
• Erythema annulare centrifugum
• Esophageal adenocarcinoma
• External auditory canal

• Eastern Air Command (India)
• Echelon above corps
• RCAF Eastern Air Command, active during World War II

• European Archery Championships
• European Athletics Championships
• FAI European Aerobatic Championships

• EAC-C2C, a submarine telecommunications cable system
• Enhanced Audio Codec
• Exact Audio Copy, a CD ripping software package
• Encoded Archival Context, an XML-based standard
• Extended Access Control, a security feature for e-passports
• Easy Anti-Cheat, a security program for online games

• EA Canada, a video game developer
• East Asiatic Company, a Danish transport company
• Ecology Action Centre, a Canadian environmental organization
• Editors' Association of Canada, a professional organization
• Energy Action Coalition, now Power Shift Network, a North American youth environmental organization
• Euro-Atlantic Centre, a Slovak NGO in the field of foreign and security policies
• Europae Archaeologiae Consilium, an association of archaeological heritage authorities
• European Aviation Air Charter, a defunct British airline
• European Air Charter (Bulgarian airline), a Bulgarian charter airline
• European Arboricultural Council, an international forestry agency
• European Astronaut Centre, a training site of the European Space Agency in Cologne, Germany
• European Astronaut Corps, a unit of the European Space Agency

• East Australian Current
• Eastern Agricultural Complex, indigenous plants cultivated in the precontact southeastern United States
• Eko Atlantic, a planned city in Lagos State, Nigeria
• Equivalent annual cost
• Euro-American Challenge, an American football game
• Eurasian Conformity mark, a certification mark valid in post-Soviet countries that belong to the Eurasian Customs Union
• Everyone's a Critic, a defunct film community website
• Estimate at completion, in earned value management
• Extend Air Cartridge, a make or type of absorbent canister for a rebreather

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