| Abbreviation | Definition |
|---|---|
| ACFCT | Association canadienne des femmes en communications et technologie |
| ACFO | Association canadienne fran??aise de l'Ontario |
| ACFO | Association canadienne française de l'Ontario |
| ACG | Angry Canadian Gamer |
| ACGS | American Canadian Genealogical Society |
| ACIC | Anglican Coalition in Canada |
| ACISS | All Canadian Inspection Safety Services |
| ACJA | Asian Canadian Journalists Association |
| ACLC | Army Cadet League of Canada |
| ACMG | Association of Canadian Mountain Guides |
| ACMPR | Access to Cannabis for Medical Purposes Regulation |
| ACMPR | Access to Cannabis for Medical Purposes Regulations |
| ACOA | Atlantic Canada Opportunities Agency |
| ACOA | Atlantic Canada Opportunity Agency |
| ACOC | Aluminum Company Of Canada |
| ACOL | Atlantic Canada On Line |
| ACPA | Air Canada Pilots Association |
| ACPC | Association of Compounding Pharmacists of Canada |
| ACPM | Association of Canadian Pension Management |
| ACPR | Accredited Canadian Pharmacy Residency |