| Acronym | Definition |
|---|
| HSAC➣Homeland Security Advisory Council |
| HSAC➣Health Service Advisory Committee |
| HSAC➣Help Stop Animal Cruelty |
| HSAC➣Health & Safety Advisory Committee (Ontario, Canada) |
| HSAC➣Humane Society Adoption Center (animal shelter) |
| HSAC➣High Speed Assault Craft (US Navy) |
| HSAC➣Human Services Appropriations Committee (Florida) |