| Acronym | Definition |
|---|
| HBAC➣Host-Based Access Control (computing) |
| HBAC➣Huntington Beach Art Center (California) |
| HBAC➣Homebirth After Cesarean |
| HBAC➣Home Builders Association of Charlotte (est. 1945; Charlotte, NC) |
| HBAC➣Huntingdonshire Business Against Crime (Huntingdon, Cambridgeshire, England, UK) |
| HBAC➣Home Buyer Assistance Center (educational organization) |
| HBAC➣Historic Buildings Advisory Council (government-appointed panel; UK) |
| HBAC➣Healthcare Business Woman's Association of Canada |