| Acronym | Definition |
|---|
| EHSA➣European Home Systems Association |
| EHSA➣Environmental Health Specialist Association (Indonesia) |
| EHSA➣European Homeland Security Association |
| EHSA➣Enhanced High System Availability |
| EHSA➣Extended Hotfix Support Agreement (Microsoft) |
| EHSA➣Era of Hope Scholar Award (US DoD Breast Cancer Research Program) |
| EHSA➣English High School Alumni Association (Boston, MA) |