| Acronym | Definition |
|---|
| MEA | Measure |
| MEA | Middle East and Africa |
| MEA | Michigan Education Association |
| MEA | Membrane Electrode Assembly |
| MEA | Millennium Ecosystem Assessment (also seen as MA) |
| MEA | Mujeres en Accion (Spanish: Women in Action) |
| MEA | Maine Educational Assessment |
| MEA | Ministry of External Affairs (India) |
| MEA | Monoethanolamine |
| MEA | Midwest Energy Association |
| MEA | Microsoft Exchange Administrator (software) |
| MEA | Maryland Energy Administration |
| MEA | Metro Ethernet Access (various companies) |
| MEA | Major Electrical Appliances (Australia) |
| MEA | Microsoft Enterprise Agreement |
| MEA | Multiservice Enterprise Access |
| MEA | Meetings and Events Australia |
| MEA | Midwest Environmental Advocates (Madison, WI) |
| MEA | Multilateral Environmental Agreement |
| MEA | Music Educators Association |
| MEA | Malt Extract Agar |
| MEA | MidAtlantic Employers' Association |
| MEA | Midwest Express Airlines |
| MEA | Multi-Electrode Array |
| MEA | Media Ecology Association |
| MEA | Ministry of Economic Affairs |
| MEA | More Electric Aircraft |
| MEA | Minimum Enroute Altitude |
| MEA | Minimum en Route Altitude |
| MEA | Mesh Enabled Architecture (MeshNetworks) |
| MEA | Municipal Engineers Association (Ontario, Canada) |
| MEA | Mondialogo Engineering Award |
| MEA | Maximum Exclusion Allowance (in a Tax Sheltered Annuity) |
| MEA | Measurement Engineering Australia |
| MEA | Mt. Everest Academy (San Diego, CA) |
| MEA | Multi-Role Enforcement Aircraft |
| MEA | Minnesota Education Association |
| MEA | Major Environmental Analysis |
| MEA | Maximo Enterprise Adapter |
| MEA | Modern Equivalent Asset |
| MEA | Marino Engineering Associates, Inc. (Urbana, IL) |
| MEA | Model-Eliciting Activity |
| MEA | Marketing Educators' Association |
| MEA | Main Electronics Assembly |
| MEA | Municipal Electric Association |
| MEA | Municipal Electric Association (Toronto, Ontario, Canada) |
| MEA | Materials Experiment Assembly (US NASA) |
| MEA | Mouse Embryo Assay |
| MEA | Miscellaneous Expense Allowance |
| MEA | Multiple Endocrine Adenomatosis |
| MEA | Major Economic Area |
| MEA | Millwright Employers Association (Vallejo, CA) |
| MEA | Maintenance Engineering Analysis |
| MEA | Munitions Effectiveness Assessment |
| MEA | Mennonite Education Agency |
| MEA | Matthews Evans Albertazzi (brand marketing firm) |
| MEA | Mouvement Écologique Algérien (Algeria ecological movement) |
| MEA | Medical Evaluation Assistant (various organizations) |
| MEA | Multi-Element Array |
| MEA | Multiple-Element Antenna |
| MEA | Materials Equipment and Acceptance (New York City) |
| MEA | Multiple Element Arrangement (accounting) |
| MEA | Marion Education Association |
| MEA | Minnesota Electrical Association |
| MEA | Munitions Effects Assessment (Defense Threat Reduction Agency modeling toolset) |
| MEA | Mount Ellis Academy (Bozeman, Montana) |
| MEA | Mismatch of Equipment and Attributes |
| MEA | Multicultural Education Academy (China) |
| MEA | Multi-service Enterprise Access (Motorola) |
| MEA | Middle East Airlines Airliban, Lebanon (ICAO code) |
| MEA | Multilateral Environmental Treaty |
| MEA | Major Emergency Action (US FEMA) |
| MEA | Multiobjective Evolutionary Algorithm |
| MEA | Marine Engineering Artificer (Royal Navy UK) |
| MEA | Municipal Engineer's Association |
| MEA | Management Engineering Activity |
| MEA | Maintenance Entity Assembly |
| MEA | Main Engine Assembly |
| MEA | Mass Energy Alliance |
| MEA | Materials Engineering Associates |
| MEA | Macae, Rio de Janeiro, Brazil (Airport Code) |
| MEA | Minnesota Employers' Association |
| MEA | Motorcycle Event Association, Inc. |
| MEA | Metal Edge Amplifier |
| MEA | Mass/Energy Analysis |
| MEA | Manufacturing Expense Analysis |
| MEA | Maintenance Effectiveness Award (US Air Force) |
| MEA | Maximum Estimation Accuracy |
| MEA | Mission Essential Application |
| MEA | Mobile Electronics Association |
| MEA | Mobile Entertainment Analyst |
| MEA | Messaging Enabled Applications |
| MEA | Market Efficiency Audit (accounting) |