HCAC
| Acronym | Definition |
|---|---|
| HCAC | Heartland Collegiate Athletic Conference |
| HCAC | Health Care for All Colorado |
| HCAC | Hackensack Cultural Arts Center (Hackensack, NJ) |
| HCAC | Haywood County Arts Council (North Carolina) |
| HCAC | Holy Cross Anglican Communion |
| HCAC | Holy Cross Anglican Church (various locations) |