| Abbreviation | Definition |
|---|---|
| CEFM | Certified Educational Facilities Manager |
| CEFM | Certified Educational Facilities Managers |
| CEFP | Certified Educational Facilities Professional |
| CEH | Certified Ethical Hackers |
| CEHT | Certified Environmental Health Technician |
| CEHT | Certified Expert Hunt Team |
| CEI | Certificate of Employment Intermediaries |
| CEI | Certified Elevator Inspector |
| CEI | Certified Express Inc |
| CEIC | Certified Examiner In Charge |
| CEICI | certified Environmental Infection Control Investigator |
| CEIG | Certified Expert Identity Governance |
| CEIH | Certified Expert Incident Handler |
| CEIM | Certified Educator of Infant Massage |
| CEIM | Certified Expert Incident Manager |
| CEIS | Certification for Early Intervention Specialists |
| CEIS | certification of Early Intervention Specialists |
| CELA | Certified Elder Law Attorneys |
| CELN | Certificate in Educational Leadership in Nunavut |
| CELN | Certificate in Educational Leadership Nunavut |