EA (disambiguation)

EA, Ea, or ea can signify several things.

Geographical places
* Ea is a town in the north of Spain

Fictional worlds
* Eä, the "World that IS" of J. R. R. Tolkien's Middle-earth universe
* Éa, of Ursula K. LeGuin's Earthsea fictional universe

Abbreviations
* in Latin, e.a. means "Ex aequo" ('On equal footing', i.e., 'in a tie')

Akkadian god
* Ea, the Babylonian water deity known in Sumerian as Enki

EA as a symbol
* Ceuta and Melilla, the ISO 3166 code
* Eastern Air Lines, IATA airline designator for a defunct U.S. domestic airline
* The IATA airline designator for European Air Express
* Eurasian Patent Organization, WIPO Standard ST.3 code (although the ISO 3166 MA proposed in 1995 that EV be used by WIPO)
* Exaampere, an SI unit of electric current

Ea as a symbol
* The digraph ea
* E_a can stand for activation energy in chemistry
* Exa-annum, a unit of time.

EA as an initialism
* Earth Alliance
* Energy Alpha
* Engine Alliance, an alliance between General Electric and Pratt & Whitney
* Enrolled Agent, a tax professional recognized by the IRS
* East Ascension, a high school in Gonzales, Louisiana
* the Amarna letters, EA 1 through EA 382
* Electronic Arts, a video/computer games company
* Electron affinity, in chemistry
* Electrophilic addition, in organic chemistry
* EMD EA/EB diesel locomotive, its cab-equipped lead unit
* Emotions Anonymous, a Twelve Step program similar to Alcoholics Anonymous (AA), but for those seeking to improve their mental or emotional health.
* Engineers Australia, a professional body promoting the interests of 79,000 professional engineers in Australia.
* Engineering Assistant, a career field in the United States Air Force
* Entered Apprentice, the first degree of Freemasonry.
* Enterprise Agreement, short for Enterprise Bargaining Agreement
* Enterprise Architect, an Unified Modeling Language (UML) modeling tool
* Enterprise architecture, a framework to align an organization's structure, processes, information, operations and projects with the organization's overall strategy
* Environment Agency, regulatory body for the environment in England and Wales
* Electricity Association, was an association of major electricity companies in the United Kingdom.
* "Eusko Alkartasuna", Spanish regional political party
* Episcopal Academy, a private pre-K through 12 school in Merion, Pennsylvania
* Europ Assistance
* Evangelical Alliance UK group of Evangelical Christians
* Evolutionary algorithm, an optimization algorithm
* Extended Attribute
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