| Abbreviation | Definition |
|---|---|
| ACC | Aurora Community Centre |
| ACCC | Association of Canadian Community Colleges |
| ACCE | Association of Chinese Canadian Entrepreneurs |
| ACCEC | African-Canadian Civic Engagement Council |
| ACCEC | Association Canadienne des Commissaires d'écoles Catholiques (Canadian Catholic School Trustees' Association) |
| ACCEP | Atlantic Canada Cultural and Economic Partnership |
| ACCL | All Canadian Congress of Labour |
| ACCL | American Canadian Caribbean Line |
| ACCLO | Association for Chinese Canadian Lawyers in Ontario |
| ACCN | the Canadian Chemical News |
| ACCRO | Associated Canadian Car Rental Operators |
| ACCT | Academy of Canadian Cinema & Television |
| ACCT | Asian Canadian Calgarian Theatre |
| ACDE | Association of Canadian Deans of Education |
| ACDO | Association Canadienne des Dons d'organes |
| ACFA | Alberta Capital Finance Authority |
| ACFC | All Canadian Football Club |
| ACFC | Association of Canadian Film Craftpeople |
| ACFC | Association of Canadian Film Craftspeople |
| ACFCT | Association canadienne des femmes en |