HCAA
| Acronym | Definition |
|---|---|
| HCAA | Health Care Administrators Association (Reston, VA) |
| HCAA | Hellenic Civil Aviation Authority (Greece) |
| HCAA | Horizon Central Athletic Association (Canada) |
| HCAA | Hillsborough County Aviation Authority (Florida) |
| HCAA | Hebrew Christian Alliance of America |
| HCAA | National CPA Health Care Advisors Association |
| HCAA | High-Capacity Air-To-Air Missile (Ace Combat game) |
| HCAA | Health Care Accountability Act |
| HCAA | Heartland Community Action Agency (Minnesota) |