IEA may refer to:

Polities

• the country of Afghanistan, officially named as the Islamic Emirate of Afghanistan since August 2021
• Islamic Emirate of Afghanistan (1996–2001), a previous Taliban-led state that ruled most of Afghanistan from 1996 to 2001

Education

• Instituto Español de Andorra, an international school in Spain
• International Association for the Evaluation of Educational Achievement

Policy bodies

• Institute of International and European Affairs (formerly Institute of European Affairs), an Irish think tank
• International Energy Agency, an intergovernmental organisation based in Paris

Science and medicine

• Institute of Ethnology and Anthropology, Russia
• International Epidemiological Association
• International Ergonomics Association
• Involuntary Emergency Admission, in psychiatry

Advocacy organisations

• Institute of Economic Affairs, a right-wing British lobby group

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