| Acronym | Definition |
|---|
| AeA | American Electronics Association |
| AEA | American Economic Association (since 1885; Nashville, Tennessee) |
| AEA | Association of European Airlines |
| AEA | American Evaluation Association (Fairhaven, MA) |
| AEA | Area Education Agency |
| AEA | Actors' Equity Association |
| AEA | Atomic Energy Act |
| AEA | Atomic Energy Agency |
| AEA | Atomic Energy Authority |
| AEA | Aquatic Exercise Association |
| AEA | Airborne Electronic Attack |
| AEA | Aircraft Electronics Association |
| AEA | Arizona Education Association |
| AEA | Alabama Education Association |
| AEA | American Emu Association |
| AEA | Associação Brasileira de Engenharia Automotiva (Brazil) |
| AEA | American Electrology Association |
| AEA | Autoerotic Asphyxiation |
| AEA | American Engineering Association |
| AEA | Agenzia Europea per l’Ambiente (Italy) |
| AEA | Aerial Experiment Association |
| AEA | Advanced Encryption Standard |
| AEA | Air Entraining Agent |
| AEA | Adult Education Association |
| AEA | Adoption Exchange Association |
| AEA | American Escrow Association (national trade association of settlement industry professionals) |
| AEA | Army Engineer Association |
| AEA | Actual Expense Allowance |
| AEA | Army Enterprise Architecture |
| AEA | Australian Esperanto Association |
| AEA | Actual Expense Authorization |
| AEA | American Entrepreneurs Association |
| AEA | Apparent Efficiency of Absorption |
| AEA | Acoustic Emission Analysis |
| AEA | Alternate Energy Association (Southwestern Ohio) |
| AEA | Above Elbow Amputation |
| AEA | Automotive Electric Association |
| AEA | Aerospace Employees' Association (The Aerospace Corporation) |
| AEA | Adiabatic Electron Affinity |
| AEA | Ag Electronics Association |
| AEA | Acquisition Engineering Agent |
| AEA | American Education Association (also seen as AmEdu) |
| AEA | Aircraft Engineers Association |
| AEA | Aerospace Education Alliance |
| AEA | Abort Electronics Assembly |
| AEA | Aerospace Education Academy |
| AEA | Agricultural Engineers Association Ltd. (UK) |
| AEA | Automatic Error Analysis |
| AEA | Accounting Education Australia |
| AEA | Airport Express Alliance (UK train operators) |
| AEA | Alpha Energy Analysis |
| AEA | Activity End Acknowledge |
| AEA | Abilene Educators Association |
| AEA | Assignment Eligibility & Availability |
| AEA | Accountancy Executive Appointments (recruiting agency) |
| AEA | Association for European Astronauts |
| AEA | Actual Expenses Allowed |
| AEA | Advanced Energy Absorber |
| AEA | Association des Enseignants Acadiens (French: Association of Acadian Teachers; Canada) |
| AEA | Alternate Exterior Angle (geometry) |
| AEA | Asymptotic Energy Analysis |
| AEA | Alternative Engineering Assumption |
| AEA | Automation Economic Analysis |
| AEA | Activity Entity Acknowledgement |
| AEA | Auxiliary Engine Assembly |
| AEA | Aircraft Engineering Artificer (UK Royal Navy) |
| AEA | Aft End Assembly |
| AEA | Augustinian Educational Association |