| Acronym | Definition |
|---|
| HSEA➣Health and Safety in Employment Act (New Zealand) |
| HSEA➣High Solar Energy Absorbing |
| HSEA➣Health Service Employers Agency (Dublin, Ireland) |
| HSEA➣Homeland Security Enhancement Act |
| HSEA➣Health and Safety Enforcement Agency (UK) |
| HSEA➣Holcim Services Asia (est. 1912; Switzerland) |
| HSEA➣Health Systems Engineering Association (student organization; University of Wisconsin-Madison) |
| HSEA➣Health, Safety, Environment and Assurance (UK) |