| Abbreviation | Definition |
|---|---|
| CMJ | Certified Music Journalist |
| CMLA | Certified Medical Laboratory Assistant |
| CMLC | Certified Master Life Coach |
| CMLSO | Certified Medical Laser Safety Officer |
| CMO | Chief Media Officer |
| CMO | Chief Medical Officer |
| CMP | Certified Medical Planner |
| CMP | Certified Meeting Planner |
| CMP | Certified Meeting Professional |
| CMP | Complete Metaphysical Practitioner |
| CMPE | Certified Medical Practice Executive |
| CMPE | Chief Manpower Planning Engineer |
| CMR | Certified Marketing Representative |
| CMR | Certified Medical Representative |
| CMR | Council-certified Microbial Remediator |
| CMRS | Council-certified Microbial Remediation Supervisor |
| CMT | Certified Massage Therapist |
| CMT | Certified Medical Transcriptionist |
| CMT | Chartered Market Technician |
| CMT | Coach Mentor Tutor |