| Abbreviation | Definition |
|---|---|
| ACQA | Aged Care Quality Association |
| ACQA | Association du Collectif du Quartier des Aulnes |
| ACQS | Association of Consultant Quantity Surveyors |
| ACR | Association Colorado Rustrel |
| ACR | Association for Consumer |
| ACR | Association of Consumer Research |
| ACRA | American Car Rental Association |
| ACRA | American Collegiate Retailing Association |
| ACRA | American Collegiate Rowing Association |
| ACRA | Aspen Chamber Resort Association |
| ACRA | Atlantic County Rowing Association |
| ACRAA | Association of Credit Rating Agencies in Asia |
| ACRH | Association canadienne des ressources hydriques |
| ACRH | Association for Conflict Resolution Houston |
| ACRI | Association for Civil Rights in Israel |
| ACRL | Association of College Research Libraries |
| ACRO | Association of |
| ACRP | Association of Christian Religious Practitioners |
| ACRP | Association of Crane and Rigging Professionals |
| ACRPI | Association for Clinical Research in the Pharmaceutical Industry |