EA

EA, E.A., Ea, or ea may refer to:

Arts and media

• Eä, the World that Is of J. R. R. Tolkien's Middle-earth universe
• Ea, fictional world of EA Cycle by David Zindell
• Amarna letters, ancient Egyptian correspondence

In business

• Enrolled agent, a federally authorized tax practitioner in the United States
• Enrolled actuary, a federally licensed actuary in the United States
• Executive assistant
• Enterprise architecture, a framework to analyse an enterprise
• Euro Area or Eurozone, a monetary union in Europe

Businesses and organisations

Airlines

• Ándalus Líneas Aéreas (IATA code 2008-2010)
• European Air Express (IATA code 1999-2007)
• Eastern Air Lines (IATA code 1925-1991)

Education

• City of Hialeah Education Academy, a school in Hialeah, Florida
• Edinburgh Academy, a school in Edinburgh, Scotland
• Episcopal Academy, a school in Newtown, Pennsylvania

Sports

• European Athletic Association, commonly known as European Athletics

Other businesses and organizations

• Electronic Arts, an American video game company
• Engine Alliance, a joint venture between General Electric and Pratt & Whitney
• Electricity Association, a former association of electricity companies in the United Kingdom
• Engineers Australia, a professional body
• Environment Agency, a regulatory body for the environment in England, part of the Department for Environment, Food and Rural Affairs
• Eusko Alkartasuna, a Basque political party
• National Solidarity (Greece) or Ethniki Allilengyi, a Greek World War II-era welfare organization
• Emotions Anonymous, a program for those seeking to improve their mental or emotional health
• Enterprise Architect (software), a visual modeling and design tool based on the OMG UML

Places

• Eko Atlantic, a city in Lagos State, Nigeria
• Ea, Biscay, a town in the Basque province of Biscay, Spain
• Ceuta and Melilla, Spanish sovereign territories (ISO 3166-1 alpha-2 Exceptionally Reserved code EA)

Religion

• Ea (Babylonian god) or Enki, a water deity
• Evangelical Alliance, a UK group of Evangelical Christians
• Ecumenical Accompanier, a participant in the Ecumenical Accompaniment Programme in Palestine and Israel

In science and technology

Units

• Exaampere (EA), an SI unit of electric current
• Activation energy (E_a), in chemistry
• Exa-annum (Ea), a unit of time

Other uses in science and technology

• Material Testing Program EA (Edgewood Arsenal) numbers
• Electron affinity
• Electrophilic addition, a type of reaction in organic chemistry
• EMC EA/EB diesel locomotive, a cab-equipped lead unit
• Eosin Azure, a polychrome cytoplasmic stain used in the Papanicolaou stain
• Evolutionary algorithm, an optimization algorithm
• Extended Attribute, a computer file system feature

Other uses

• Effective altruism, a social movement and philosophy for determining the most effective ways to benefit others
• ea, a digraph in the list of Latin-script digraphs
• Ea Ea, also known as Craige Schensted, a mathematician and game designer
• Environmental assessment, a legislative decision-making process
• Engineering Aide (US Navy), a Seabee occupational rating in the U.S. Navy
• Episodic ataxia, an incoordination disorder