| Abbreviation | Definition |
|---|---|
| DCOK | Doalnara Certified Organic Korea |
| DCPC | Driver Certificate of Professional Competence |
| DCPP | DSCI Certified Privacy Professional |
| DCPS | Diploma of College of Physicians and Surgeons |
| DCSP | DataCore Certified Sales Professional |
| DCT | Director of Clinical Training |
| DCTP | Delaware Certified Thoroughbred Program |
| DCTP | Digital Certificate Transfer Protocol |
| DCTT | Diploma in Computer Teachers Training |
| DCTT | Diploma in Computers Teachers Training |
| DDAM | Diploma in Disability Assessment Medicine |
| DDE | Diploma in Distance Education |
| DDFM | Diploma in Documentary Film Making |
| DDIS | Distinguished Diploma Independent Study |
| DDR | Diploma in Diagnostic Radiology |
| DDU | Diploma of Diagnostic Ultrasound |
| DEC | Dell EMC Certified |
| DEC | Display Energy Certificate |
| DECS | Driver Education Certification Service |
| DEE | Diploma in Electrical Engineering |