| Abbreviation | Definition |
|---|---|
| AETC | Association of Electromyography Technologists of Canada |
| AFAC | Aboriginal Firefighters Association of Canada |
| AFAC | Art For All Canada |
| AFC | Agri-Food Canada |
| AFCA | Association of Filipino Canadian Accountants |
| AFEC | Association Française d'Etudes Canadiennes |
| AFN | Assembly of First Nations |
| AFO | l'Assemblée de la Francophonie de l'Ontario |
| AFOI | Augustinian Fathers (Ontario), Inc. |
| AFPS | Autres Formes de Prestation de Services |
| AGCO | Alcohol and Gaming Commission of Ontario |
| AGO | Art Gallery Of Ontario |
| AHAC | Amateur Hockey Association of Canada |
| AHCC | Appaloosa Horse Club of Canada |
| AHRAC | Assisted Human Reproductive Agency of Canada |
| AHRC | Assisted Human Reproduction Canada |
| AHS | Alberta Health Services |
| AIAC | Aerospace Industries Association of Canada |
| AIAMC | Association of International Automobile Manufacturers of Canada |
| AIC | Appraisal Institute of Canada |