| Acronym | Definition |
| EAD | Encoded Archival Description (DTD for SGML) |
| EAD | Employment Authorization Document (US INS) |
| EAD | Employee Appreciation Day (various organizations) |
| EAD | Exhaust Air Duct (ventilation) |
| EAD | Engineering and Design (Austria) |
| EAD | Environment Agency Abu Dhabi (Abu Dhabi, UAE) |
| EAD | Exposure at Default (finance) |
| EAD | Education and Administration |
| EAD | Enseignement Distance (French: Distance Education; Belgium) |
| EAD | Executive Associate Director |
| EAD | Economic Affairs Directorate (Qatar) |
| EAD | Enterprise Active Directory |
| EAD | Ensino A Distancia (Brazil) |
| EAD | Ethernet Access Device |
| EAD | cole d'Art et de Dcoration (French: School of Art and Decoration; Tunisia) |
| EAD | Exposure At Default |
| EAD | Eastern Air Devices (Dover, NH) |
| EAD | Encoded Archival Description |
| EAD | ducation au Dveloppement (French: Education Development) |
| EAD | Export Accompanying Document (various locations) |
| EAD | Echelons Above Division (US DoD; US Army) |
| EAD | Emergency Airworthiness Directive |
| EAD | thylotests Anti-Dmarrage (French: Anti-Theft Breathalyzers; alcolocks) |
| EAD | Extended Active Duty |
| EAD | Empilement Articulaire Dynamique (French: Stacking Dynamic Articular; physiotherapy) |
| EAD | Espace Arien Diffusion (French: Airspace Distribution) |
| EAD | cole d'Administration et Direction des Affaires (French: School of BusinessAdministration and Management; Morocco) |
| EAD | Elite Athletes with a Disability |
| EAD | Executive Assistant Director |
| EAD | Eure Amnagement Dveloppement (French: Eure Land Development) |
| EAD | Early Afterdepolarization |
| EAD | Equivalent Air Depth (scuba diving) |
| EAD | Environmental Affairs Division (various locations) |
| EAD | Euro Arab Dialogue (diplomacy) |
| EAD | Entertainment, Analysis, and Development (Nintendo Co. Ltd.'s internal first-partystudio) |
| EAD | Earliest Arrival Date |
| EAD | Economic Analysis Division |
| EAD | Educacin Abierta y a Distancia (Spanish magazine) |
| EAD | Extended Air Defense |
| EAD | Entry On Active Duty |
| EAD | Early Assistance Desk |
| EAD | Electronic Assessment Decision |
| EAD | European Aeronautical Database |
| EAD | lment Automoteur Double (French railcars) |
| EAD | En Apart Design (French design firm) |
| EAD | Europe Algrie Dveloppement (French: Algeria Europe Development) |
| EAD | Electroantennographic Detection |
| EAD | Electronic Archival Description |
| EAD | East Australian Daylight (GMT+1100) |
| EAD | External Affairs Director |
| EAD | Enterprise Application Design |
| EAD | Estimated Availability Date |
| EAD | Endplate Acetylcholinesterase Deficiency |
| EAD | Engine and Alert Display |
| EAD | Energy Assurance Daily (US Department of Energy) |
| EAD | Engineering Aids Draftsman (US Navy) |
| EAD | Environmental Accountability Division |
| EAD | Executive Agent Developer |
| EAD | Equal Access Dialing |
| EAD | Expected Award Date |
| EAD | Enhanced Anaerobic Dechlorination (groundwater treatment) |
| EAD | Energy and Air Division (US EPA) |
| EAD | Estimated Award Date |
| EAD | Electronic Arming Device |
| EAD | Expenditure Authorization Document |
| EAD | European AIS (Aeronautical Information System) Database (European Organization forthe Safety of Air Navigation) |