| Abbreviation | Definition |
|---|---|
| DCA | Development Coach Award |
| DCAD | Distinguished Citizen Award Dinner |
| DCAP | Digium-Certified Asterisk Professional |
| DCMG | Knight Commander (KCMG) or Dame Commander |
| DCSA | Distinguished Chapter Service Award |
| DD | Double Distinguished |
| DDK | Distinguished Double Cross |
| DDLA | Distinguished Diversity Leaders Award |
| DDLM | Dan, Dan, the Lavatory Man |
| DEAA | Distinguished Engineering Alumni Awards |
| DEAA | Distinguished Entrepreneurial Achievement Award |
| DELTA | Duke of Edinburgh's Leadership and Training Award |
| DESA | Distinguished Engineering Service Award |
| DETA | Departmental Excellence in Teaching Award |
| DEYA | Distinguished Entrepreneur of the Year Award |
| DFA | Distinguished Forester Award |
| DFC | Distinguished Flying Cross |
| DFSM | Defence Force Service Medal |
| DGP | Dr gholami prize |
| DIAFA | Distinctive International Arab Festivals Awards |