| Abbreviation | Definition |
|---|---|
| CEC | Certified Executive Chef |
| CECSL | Certified Erosion Control and Sediment Leads |
| CEDS | Certified Eating Disorder Specialist |
| CEFA | Certified EFFAS Financial Analyst |
| CEH | Certified |
| CEH | Certified Ethical Hacking |
| CELA | Certified Elder Law Attorney |
| CELP | Certified E Learning Professional |
| CELTA | Certificate in English Language Teaching to Adults |
| CEM | Certified Emergency Manager |
| CEM | Certified Equipment Manager |
| CEMC | Certified Evaluation and Management Coder |
| CEMT | Certified Equine Massage Therapist |
| CEOE | Certification Examinations for Oklahoma Educators |
| CEP | Certified Electrical Professional |
| CEP | Certified Equity Professional |
| CEP | Certified Exercise Physiologist |
| CEPI | Certified Equity Professional Institute |
| CER | Certified Emission Reduction?? |
| CER | Certified Emissions Reductions |