| Abbreviation | Definition |
|---|---|
| CMDM | Canadian Municipal Data Model |
| CMDR | Canadian Medical Device Regulations |
| CMDR | Canadian Medical Devices Regulations |
| CMEC | Council of Ministers of Education Canada |
| CMEC | Council of Ministers of Education, Canada |
| CMFL | Canadian Major Football League |
| CMFN | Canadian Model Forest Network |
| CMG | Canadian Media Guild |
| CMG | Computer Modelling Group |
| CMGA | Canadian Meat Goat Association |
| CMGD | Canadian Machine Gun Depot |
| CMH | Canadian Mountain Holidays |
| CMHA | Canadian mental health agency |
| CMHA | Canadian Mental Health Association |
| CMHC | Canada Mortgage and Housing Corporation |
| CMHC | Canadian Mortgage and Housing Corporation |
| CMHG | Canadian Military History Gateway |
| CMHR | Canadian Museum for Human Rights |
| CMHR | Canadian Museum of Human Rights |
| CMIF | Canadian Mineral Industry Federation |