| Abbreviation | Definition |
|---|---|
| DASP | Departing Australia Superannuation Payments |
| DAWA | Department of Agriculture Western Australia |
| DBA | Disc Brakes Australia |
| DBAA | Drop Bear Association of Australia |
| DBWA | Dragon Boating Western Australia |
| DCAI | Dexter Cattle Australia Inc |
| DCCSDS | Department of Communities, Child Safety and Disability Services |
| DCLA | Diamond Certification Laboratory of Australia |
| DCP | Department for Child Protection (Australia) |
| DDCA | Diamond Dealers Club of Australia |
| DDOGS | Council of Deans and Directors of Graduate Studies (Monash University; Victoria, Australia) |
| DEAI | Developmental Educators Australia Inc |
| DECA | Driver Education Centre Of Australia |
| DEEWR | Department of Education, Employment, and Workplace Relations |
| DET | Department Of Education And Training |
| DFAB | Dairy Foods Advisory Bureau |
| DFAT | Department of Foreign Affairs and Trade |
| DFDAT | Defence Force Discipline Appeal Tribunal (Australia) |
| DFWA | Department of Fisheries Western Australia |
| DHA | Defence Housing Australia |