| Acronym | Meaning |
| EAS | Eareckson Air Station |
| EAS | Economic Affairs Secretariat (Antigua and Barbuda) |
| EAS | Economic Analysis Staff |
| EAS | Electronic Address Sequencing (USPS) |
| EAS | Electronic Article Surveillance |
| EAS | Electronic Authorization System |
| EAS | Emergency Alert System |
| EAS | Employment Agency Standards (UK) |
| EAS | Employment Assistance Services (Canada) |
| EAS | Employment Assurance Scheme (India) |
| EAS | Employment Standards Administration (US Department of Labor) |
| EAS | End of Active Service (US Marine Corps) |
| EAS | Engineering and Architectural Services (various organizations) |
| EAS | Engrossed Amendment of the Senate (finalized change to a bill) |
| EAS | Enhanced Automatic Setup |
| EAS | Enlisted Aviator Study |
| EAS | Ente Acquedotti Siciliani (Italian: Sicilian Waterworks Authority; Sicily, Italy) |
| EAS | Entry from Air and Sea (Australia) |
| EAS | Essential Air Service (US DOT) |
| EAS | Essential Auxiliary Support |
| EAS | Essex Ambulance Service (UK) |
| EAS | Estimated Air Speed |
| EAS | European Activity Set |
| EAS | Executive and Administrative Salary (postal industry) |
| EAS | Expense Assignment System (US DoD) |
| EAS | Expiration of Active Service (United States Marine Corps) |
| EAS | Express Answer Service (various organizations) |