| Abbreviation | Definition |
|---|---|
| ACUP | Association of College and University Printers |
| ACVA | Adams Class Veterans Association |
| ACVA | Aurora Colony Visitors Association |
| ACVL | Association Centre Ville de Lachine |
| ACVN | Association of Cities in Viet Nam |
| ACWA | Alberta Co-operative Wholesale Association |
| ACWA | American Civil War Association |
| ACWA | Association of Clean Water Administrators |
| ACWB | Association Of Catholic Women Bloggers |
| ACWT | Association of Canine Water Therapy |
| ADA | American Dental Association |
| ADA | American Diabetes Association's |
| ADAA | Anxiety and Depression Association of America |
| ADAA | Automobile Dealers Association of Alabama |
| ADAB | Association for Devoted Arms of Bafakhy |
| ADAF | Association de défense des actionnaires Fortis |
| ADAI | American Dairy Association Indiana |
| ADAI | Art Directors Association of Iowa |
| ADAI | Art Director's Association of Iowa |
| ADAI | Automobile Dealers Association of Indiana |