| Abbreviation | Definition |
|---|---|
| ACRQ | Association des coureurs en rabaska du Québec |
| ACRV | Association des Cyclos Randonneurs de Villepreux |
| ACRY | Association de la construction Richelieu Yamaska |
| ACS | Association of Caribbean States |
| ACSA | Alberta Construction Safety Association |
| ACSA | Algiers Charter School Association |
| ACSA | American Cotton Shippers Association |
| ACSA | American Craft Spirits Association |
| ACSA | Arizona Cowboy Shooters Association |
| ACSA | Association of California School Administrators |
| ACSA | Association of Cardiothoracic Surgical Assistants |
| ACSA | Association of Collegiate Schools of Architecture |
| ACSA | Australian Cotton Shippers Association |
| ACSB | Association of |
| ACSC | Association of Centers for the Study of Congress |
| ACSD | Association of Christians in Student Development |
| ACSD | Association of Covenant Spiritual Directors |
| ACSE | Association Control Service Element |
| ACSE | Association Control Service Elements |
| ACSE | Association for Computer Studies Education |