| Acronym | Definition |
|---|
| EACS➣East Allen County Schools (New Haven, IN) |
| EACS➣European AIDS Clinical Society (France) |
| EACS➣Electronic Access Control System (various organizations) |
| EACS➣European Association of Chinese Studies |
| EACS➣Esperance Anglican Community School (Australia) |
| EACS➣École des Arts Chinois du Spectacle (French: School of Chinese Performing Arts) |
| EACS➣Expeditionary Air Control Squadron (US Air Force) |
| EACS➣European Association for the Control of Structures |
| EACS➣Extended Area Calling Service (telephones) |
| EACS➣Senior Chief Engineering Aide (Naval Rating) |
| EACS➣Emergency Air Cleaning System |
| EACS➣EP/EO Account Control System |