| Acronym | Definition |
|---|
| EAC | Expect(ed) Approach Clearance |
| EAC | Election Assistance Commission (US) |
| EAC | East African Community |
| EAC | Exact Audio Copy (digital audio extraction tool) |
| EAC | European Astronaut Centre (Cologne, Germany) |
| EAC | Engineering Accreditation Commission |
| EAC | Early Action Compact |
| EAC | Environmental Audit Committee (UK) |
| EAC | Estimate At Completion (Cost) |
| EAC | Environmental Advisory Council |
| EAC | Extended Access Control (Defined by ICAO - machine readable travel documents - passports) |
| EAC | Environmental Advisory Committee |
| EAC | Electricity Authority of Cyprus |
| EAC | Electronic Air Cleaner |
| EAC | Education & Assistance Corporation |
| EAC | Editors' Association of Canada |
| EAC | Export Assistance Center |
| EAC | East Australian Current |
| EAC | Emic Application Cluster (Emic Networks) |
| EAC | Electronic Access Control |
| EAC | External Auditory Canal |
| EAC | Early American Coppers (Organization of collectors of early American copper coins) |
| EAC | Executive Advisory Council |
| EAC | Executive Advisory Committee |
| EAC | Evil Atheist Conspiracy |
| EAC | Economic Advisory Committee |
| EAC | Eastern Air Command |
| EAC | Energy Advisory Committee |
| EAC | Enhanced Audio Codec |
| EAC | European Affairs Committee (European Union postal program) |
| EAC | Erythema Annulare Centrifugum (dermatology) |
| EAC | Elite Agility Certificate (Dog Agility Title) |
| EAC | Economic Adjustment Committee |
| EAC | Emergency Action Center |
| EAC | emergency action committee (US DoD) |
| EAC | European Anti-Discrimination Council |
| EAC | Engineered Assemblies Corporation |
| EAC | Extranet Access Client |
| EAC | Emirates Aviation College (Dubai, United Arab Emirates) |
| EAC | Entreprises Autochtones du Canada (Aboriginal Enterprises Canada; government) |
| EAC | Ecotoxicological Assessment Criteria |
| EAC | Executive Associate Commissioner |
| EAC | Environmental Assisted Cracking |
| EAC | Encoded Archival Context initiative |
| EAC | Evaluation Analysis Center |
| EAC | European Association for Cooperation |
| EAC | Equipment Approvals Committee (UK MOD) |
| EAC | European Airlift Center |
| EAC | Encyclopedia of American Comics |
| EAC | Endocrine Active Compound |
| EAC | Emergency Action Console |
| EAC | echelons above corps (Army) (US DoD) |
| EAC | External Affairs Commissioner (EU) |
| EAC | Eastern Area Command |
| EAC | Enhanced Attitude Control |
| EAC | Equipment Activity Controller |
| EAC | Energy Absorption Capacity |
| EAC | Early Attack Characterization |
| EAC | Exercise and Activities Conference |
| EAC | Epithelioma Adenoides Cysticum of Brooke |
| EAC | Enlisted Advisory Council |
| EAC | Executive Action Committee |
| EAC | Chief Engineering Aide (Naval Rating) |
| EAC | Emergency Action Checklist |
| EAC | Equipment Acquisition Contractor |
| EAC | Employee Advisory Board |
| EAC | Electrical Application Committee |
| EAC | Emergency Assessment Coordinator |
| EAC | Empresas Asociadas Campesinas |
| EAC | Even Autocorrelation |
| EAC | Engine Auxiliary Coolant |
| EAC | Expenditure Accounting Classification |
| EAC | Epoxy Anti-Corrosive paint |
| EAC | Equal Angle Coverage |
| EAC | Evangelical Anglican Church |
| EAC | Expected At Completion |
| EAC | Equipment Availability Constant |
| EAC | Emergency Action Communications |
| EAC | End-user Access Charge |