| Acronym | Definition |
|---|
| HRAC➣Herbicide Resistance Action Committee |
| HRAC➣Human Rights Action Center (Washington, DC) |
| HRAC➣Human Resources Advisory Committee |
| HRAC➣Heating, Refrigeration, and Air Conditioning Contractors of Canada |
| HRAC➣Human Resources Association of Calgary (Canada) |
| HRAC➣Hydrogen Research and Applications Center (University of Central Florida/Florida Solar Energy Center) |