| ACNA | Access Carrier Name Abbreviation 
| Others |
| ACNA | Access Customer Name Abbreviation
| Others |
| ACNA | American College of Neuroscience Administrators
| Others |
| ACNA | Anglican Church in North America
| Others |
| ACNA | Anglican Church of North America
| Others |
| ACNA | Annals of Colonial North America
| Others |
| ACNA | Anticoagulation Clinics of North America
| Others |
| ACNA | Antiques Collectibles National Association
| Others |
| ACNA | Association Croquet North America
| Others |
| ACNA | Atlantic Community Newspapers Association
| Others |
| ACNA | Audi Club of North America
| Others |
| ACNA | Audubon Circle Neighborhood Association
| Others |
| ACNA | Aurora Club of North America
| Others |