| Acronym | Definition |
|---|
| HSES➣Health, Safety, and Environmental Services (various locations) |
| HSES➣Health, Safety and Environmental Specialist (UK) |
| HSES➣High School for Environmental Studies (New York, NY) |
| HSES➣High School of Engineering and Science (Philadelphia, PA) |
| HSES➣Holy Spirit Episcopal School (Houston, TX) |
| HSES➣Health, Sport and Exercise Sciences (University of Kansas) |
| HSES➣Hydrostatic Equilibrium System |
| HSES➣Hanford Science and Engineering Supercomputer |
| HSES➣Hanford Scientific and Engineering System |