HSEC
| Acronym | Definition |
|---|---|
| HSEC | Historical Society of the Episcopal Church |
| HSEC | Hpss Security |
| HSEC | Hard Sector |
| HSEC | Homeland Security |
| HSEC | Health Safety Environment and Community |
| HSEC | Health Safety and Engineering Consultants Ltd. (UK) |
| HSEC | Humane Society of Eastern Carolina (Greenville, NC) |
| HSEC | Humane Society of Elkhart County (Bristol, IN) |
| HSEC | Human Splenic Endothelial Cells |