| ACOA | Adaptive Course Of Action 
| Others |
| ACOA | Advisory Committee On Aging
| Others |
| ACOA | Advisory Council On Aging
| Others |
| ACOA | Alaska Campground Owners Association
| Others |
| ACOA | Alaska Commission On Aging
| Others |
| ACOA | Alaska Correctional Officers Association
| Others |
| ACOA | Alpaca Coalition of America
| Others |
| ACOA | Alternative Course of Action
| Others |
| ACOA | American College of Oncology Administrators
| Others |
| ACOA | American Committee on Africa
| Others |
| ACOA | Ant Colony Optimization Algorithms
| Others |
| ACOA | Association Canadienne des Orthophonistes et Audiologistes
| Others |
| ACOA | Atlantic Canada Opportunities Agency
| Others |
| ACOA | Atlantic Canada Opportunity Agency
| Others |
| ACOA | Australia Coat Of Arms
| Others |
| ACOA | Canadian Association of Speech-Language Pathologists and Audiologists
| Others |