| Acronym | Definition |
|---|
| HCCA | Health Care Compliance Association (Minneapolis, MN, USA) |
| HCCA | HCF (Hybrid Coordinator Function) Controlled Channel Access |
| HCCA | Health Care Consent Act (Canada) |
| HCCA | Healthy Child Care America |
| HCCA | Hybrid Coordination Function Controlled Channel Access (wireless networking) |
| HCCA | Horseless Carriage Club of America |
| HCCA | High Country Citizens' Alliance (Crested Butte, CO) |
| HCCA | History of Civilizations of Central Asia |
| HCCA | Hamilton-Clermont Cooperative Association (Cincinnati, Ohio) |
| HCCA | Heavy Construction Contractors Association (Manassas, VA) |
| HCCA | Alpha-Cyano-4-Hydroxy Cinamic Acid |
| HCCA | Health Care Coverage and Access Task Force (New Mexico) |
| HCCA | Hollywood Council of Civic Associations (Florida) |
| HCCA | Human Care Charities of America |