| Abbreviation | Definition |
|---|---|
| CMII | Canadian Medical Imaging Inventory |
| CMLA | Canadian Maritime Law Association |
| CMM | Canadian Measurement Metrology |
| CMM | Commander of the order of Military Merit |
| CMMC | Company of Master Mariners of Canada |
| CMMF | Canadian Mining and Metallurgical Foundation |
| CMMM | Canadian Molecular Magnetism Meeting |
| CMMR | Canadian Mouse Mutant Repository |
| CMNA | Canadian Malayalee Nurses Association |
| CMNPS | Canadian Minimum Navigation Performance Specifications |
| CMO | Canadian Mathematical Olympiad |
| CMOC | Canadian Model of Ocean Carbon |
| CMOC | Canadian Mustang Owners Club |
| CMOS | Canadian Meteorological and Oceanographic Society |
| CMOW | Caledon Meals On Wheels |
| CMP | Canada Metal Pacific |
| CMPA | Canadian Marine Pilots Association |
| CMPA | Canadian Media Producers Association |
| CMPA | Canadian Media Production Association |
| CMPA | Canadian Medical Protective Association |