| Abbreviation | Definition |
|---|---|
| DLC | Defects Liability Certificate |
| DLIT | Diploma in Library and Information Technology |
| DLO | Diploma in Laryngology Otology |
| DMCC | Diploma in the Medical Care of Catastrophes |
| DMHN | Diploma in Mental Health Nursing |
| DMII | Diploma of The Malaysian Insurance Institute |
| DMLT | Diploma Medical Laboratory Technology |
| DMRD | Diploma in Med Radio Diagnosis |
| DMRT | Diploma in Medical Radiology Technology |
| DMSC | Digital Media Sales Certification |
| DMTR | Diver Medic Technician Refresher |
| DMU | Diploma in Medical Ultrasound |
| DOAL | Diploma in Outdoor and Adventure Learning |
| DOCC | Detention Officer Certification Course |
| DOE | Date Of Exp |
| DOMP | Diploma in Osteopathic Manipulative Practice |
| DOMP | Diploma in Osteopathic Manual Practice |
| DOMP | Diploma in Osteopathic Manual Practitioner |
| DOMP | Diploma of Osteopathy Manual Practitioner |
| DOMS | Diploma in Ophthalmic Medicine and Surgery |