| Abbreviation | Definition |
|---|---|
| CMTE | Certified Military Talent Employer |
| CMTP | Certificate in Management for Technical Professionals |
| CMTR | Certified Material Test Report |
| CMTR | Certified Mill Test Report |
| CMTR | Certified Mill Test Reports |
| CMTW | Certified Municipal Treasurer of Wisconsin |
| CMVP | Certified Measurement and Verification Professional |
| CMVR | Certified Military Veteran Recruiter |
| CNA | Certified Nurse Assistant |
| CNA | Certified Nurses Asst |
| CNA | Certified Nursing Aide |
| CNAA | Certified in Nursing Administration Advanced |
| CNAA | Certified Nursing Assistant Advanced |
| CNCB | Clinical Nutrition Certification Board |
| CNCI | Canadian Nursery Certification Institute |
| CNCI | Certified Network Cable Installer |
| CNCP | Certified Nanotech and Cleantech Professional |
| CNCP | Commission Nationale de la Certification Professionnelle |
| CNCT | Certified Nerve Conduction Technologist |
| CNCT | Certified Network Computer Technician |