EC

• EC Comics, an American publisher of comic books
• Electric Circus, a Canadian television program
• Eric Clapton Stratocaster, signature model guitars by Fender

• Environment and Climate Change Canada, a Canadian federal government department
• European Commission, the executive body of the European Union
• European Council, the European Union institution comprising the college of heads of state of government
• European Communities, one of the three pillars of the EU
• European Community, a significant component of the European Union from 1993 to 2009, renamed European Economic Community

• EuroCity, a train service of the European inter-city rail network
• EasyJet Europe (IATA code: EC)
• Avialeasing (former IATA code: EC), a cargo airline
• East Coast (train operating company), a train operating company in the UK
• EC, the aircraft registration prefix for Spain

• Eckerd College, US
• Edinburgh College, Scotland
• Erskine College, US

• EC Comics, a defunct comic book company
• Equine Canada, Canada's national horse sport federation
• Engineers Canada, a national organization that regulates the practice of engineering in Canada
• Engineering Council, formerly Engineering Council UK, a regulatory authority in the UK for registration of engineers and technicians

• EC postcode area, for east central London
• Ecuador (ISO 3166-1 country code)
• East Chicago, Indiana, a city in the US

• Emergency contraception
• Endothelial cell
• Enterochromaffin cell
• Entorhinal cortex, memory center in the brain
• Enzyme Commission number (EC number), used for the numerical classification of enzymes
• Extracellular

• Ethylene carbonate, an ester and a popular solvent in lithium-ion batteries
• European Community number (EC-No, or EC#), determined by the European Commission for identifying chemicals

• .ec, the country code top level domain (ccTLD) for Ecuador
• Amazon Elastic Compute Cloud
• Electronic cash, an electronic payment system
• Evolutionary computation, computing that utilises evolution to automatically find solutions to formally defined problems
• Embedded controller, a microcontroller in computers that handles various system tasks that the operating system does not handle
• ExpressCard, an interface connecting peripheral devices to a computer, usually a laptop
• Erasure code, in information theory

• Electrical conductivity, of a solution
• EC meter (electrical conductivity meter), measures the electrical conductivity in a solution
• Edinburgh-Cape Blue Object Survey, an astronomical catalogue
• Electron capture, in nuclear physics
• Exacoulomb (EC), an SI unit for electric charge equal to 10¹⁸ coulomb

• Elliptic curve, in mathematics
• Emergent cyclical theory (E-C theory), in psychology
• Electronic cigarette, or e-cigarette

• Elimination communication, a method of toilet training
• Extended coverage, in insurance
• Extra credit, in academia
• Executive Condominium, a type of housing in Singapore
• Ethiopian calendar (EC or E.C.)

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• Eastern Caribbean dollar (EC$)
• EC50, half maximal effective concentration of a drug, antibody or toxicant
• Embedded C++ (EC++), a programming language
• Elliptic-curve cryptography (ECC)
• {{srt}}
• ECC (disambiguation)
• Eck (disambiguation)
• Ekk (disambiguation)
• EK (disambiguation)
• EQ (disambiguation)

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