| Acronym | Definition |
|---|
| EAS | Electronic Article Surveillance |
| EAS | Emergency Alert System |
| EAS | Essential Air Service (US DOT) |
| EAS | Extended Area Service |
| EAS | Ettevõtluse Arendamise Sihtasutus (Estonia) |
| EAS | East Asian Studies (academic field) |
| EAS | Exchange Active Sync |
| EAS | Extensive Air Shower |
| EAS | External Anal Sphincter |
| EAS | Ex Astris Scientia (fiction, Star Trek) |
| EAS | East Asian Seas |
| EAS | European Aquaculture Society (est. 1976) |
| EAS | Eastern Analytical Symposium |
| EAS | Employment Assistance Services (Canada) |
| EAS | East Asian Summit |
| EAS | Engineering and Applied Sciences |
| EAS | Equivalent Airspeed |
| EAS | Energy East Corporation (stock symbol) |
| EAS | Enterprise Archive Solution (Zantaz) |
| EAS | Electrophilic Aromatic Substitution |
| EAS | Etch A Sketch |
| EAS | Enterprise Application Suite (Software) |
| EAS | Earth and Atmospheric Science (course) |
| EAS | Enterprise Application Server |
| EAS | Early Ammonia Servicer (International Space Station thermal controller) |
| EAS | Enterprise Application Solutions |
| EAS | European Acceptance Scheme |
| EAS | Expert Agent Selection |
| EAS | Exchange Archive Solution (EducomTS Inc.) |
| EAS | European Academy of Sciences (Belgium) |
| EAS | Employment Standards Administration (US Department of Labor) |
| EAS | End of Active Service (US Marine Corps) |
| EAS | Entity Analytic Solutions (IBM) |
| EAS | Experimental and Applied Sciences, Inc. (Golden, CO, USA) |
| EAS | Employee Attitude Survey (Sprint) |
| EAS | Expiration of Active Service (United States Marine Corps) |
| EAS | Eugene Astronomical Society |
| EAS | Executive and Administrative Schedule |
| EAS | Electronic Arts Sports (game) |
| EAS | Enterprise Allowance Scheme |
| EAS | San Sebastian, Spain - Fuenterrabia (Airport Code) |
| EAS | Enterprise Architecture Strategies |
| EAS | Expense Assignment System (DoD) |
| EAS | Eareckson Air Station |
| EAS | East Australian Standard (GMT+1000) |
| EAS | Enhanced Air Separator |
| EAS | Earth Alliance Ship (Babylon 5) |
| EAS | Egyptian Accounting Standards |
| EAS | Eastern Apicultural Society of North America, Inc. |
| EAS | Electronic Address Sequencing (USPS) |
| EAS | Economic Analysis Staff |
| EAS | Engineering Administration System |
| EAS | Enterprise Agent Server |
| EAS | Electronic Authorization System |
| EAS | Economic Affairs Secretariat (Antigua and Barbuda) |
| EAS | Environmental Alarm System |
| EAS | Econometrics and Applied Statistics Unit (EU) |
| EAS | E-Mail Availability Service |
| EAS | Epilepsy Association of Scotland (Glasgow, Scotland) |
| EAS | Executive and Administrative Salary (postal industry) |
| EAS | Emigrant Aid Society |
| EAS | Engineering Aide Surveyor |
| EAS | Equipment Accountability System |
| EAS | Eternal Ascent Society (Crystal River, Florida) |
| EAS | Eastside Audubon Society (Washington) |
| EAS | Equipment Acquisition Strategy |
| EAS | Estimated Air Speed |
| EAS | ECS Advertising Service |
| EAS | Enhanced Automatic Setup |
| EAS | Essential Auxiliary Support |
| EAS | Enlisted Aviator Study |
| EAS | Estimate Analysis Sheet |
| EAS | Engrossed Amendment of the Senate (finalized change to a bill) |
| EAS | Entry from Air and Sea (Australia) |
| EAS | Expense Account Sheets |
| EAS | Equal Angular Separation |
| EAS | Endocrine Active Substance |
| EAS | Extended Addressing System |
| EAS | Examination Automation System |
| EAS | Exchange Access Study |
| EAS | Entity Action Step |
| EAS | Enterprise Authorization Service |
| EAS | Elemental Audio Systems |
| EAS | Employment Assurance Scheme (India) |
| EAS | Enterprise Architect Summit (software conference) |
| EAS | Engineering and Architectural Services (various organizations) |
| EAS | Environment and Society |
| EAS | Education Advisory Service |
| EAS | Education and Support (various locations) |