| Abbreviation | Definition |
|---|---|
| CN | Community Nurse |
| CNA | Certified Network Associate |
| CNA | Certified Novell Administrator |
| CNA | Certified Nurse Aide |
| CNA | Certified Nurses Assistant |
| CNA | Certified Nursing Assistant |
| CNAP | Certified Nonprofit Accounting Professional |
| CNC | Certified Nutritional Consultant |
| CNE | Certified Netware Engineer |
| CNE | Certified Network Engineer |
| CNM | Certified Nurse Midwife |
| CNMT | Certified Nuclear Medicine Technologist |
| CNMW | Certified Nurse MidWife |
| CNO | Chief Networking Officer |
| CNO | Chief of Naval Operations |
| CNOR | Certified Nurse Operating Room |
| CNPA | Certified Natural Products Advisor |
| CNPR | Certified National Pharmaceutical Representative |
| CNS | Certified Novell Salesperson |
| CNS | Clinical Nurse Specialist |