| Abbreviation | Definition |
|---|---|
| CCWL | Certificate Course in Women and Law |
| CCWS | Certified Corporate Wellness Specialist |
| CD | Certificate of Disability |
| CD | Certified Dietitian |
| CDC | Certified Diamond Coin |
| CDCE | Certified Data Center Expert |
| CDCE | Certified Data Centre Expert |
| CDCL | Certified Designee Confirmation Letter |
| CDCP | Certified Data Center Professional |
| CDCP | Certified Data Centre Professional |
| CDCS | Certificate for Documentary Credit Specialists |
| CDCS | Certified Data Center Specialist |
| CDCS | Certified Data Centre Specialist |
| CDCS | Certified Digital Career Strategist |
| CDCS | Certified Documentary Credit Specialists |
| CDE | Certified Development Executive |
| CDEO | Certified Documentation Expert Outpatient |
| CDEP | Certified in Dignitary and Executive Protection |
| CDFA | Certified Divorce Financial Analysts |
| CDFE | Certified Digital Forensics Examiner |