| Acronym | Definition |
|---|
| ACAA | Allegheny County Airport Authority (Pennsylvania) |
| ACAA | American Coal Ash Association (Washington, DC) |
| ACAA | Air Carrier Access Act of 1986 |
| ACAA | Association of Certified Accountants of Azerbaijan |
| ACAA | Air Carrier Association of America |
| ACAA | Amazigh Cultural Association in America |
| ACAA | Automatic Chemical Agent Alarm |
| ACAA | American Coalition for Abuse Awareness |
| ACAA | American Cosmetic Acupuncture Association |
| ACAA | Academic Center for Aging Aircraft |
| ACAA | Antique Automobile Club of America (Hershey, PA) |
| ACAA | African Canadian Achievement Award |
| ACAA | Agreement of Conformity Assessment and Acceptance of Industrial Products |
| ACAA | Affordable COTS for Aging Aircraft |
| ACAA | Alabama Coastal Area Act |
| ACAA | Army Concept Analysis Agency (US Army) |
| ACAA | Agricultural Conservation & Adjustment Administration |
| ACAA | Auto-Calibrating Adaptive Array |
| ACAA | Air Controlman Airman Apprentice (US Navy Rating) |