HSEA
| 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) |