| Abbreviation | Definition |
|---|---|
| DCOL | Daily Cost Of Living |
| DCOR | Division Central Office of Record |
| DCOT | Domestic Corporation Occupation Tax |
| DCPC | Div of Cancer Prevention and Control |
| DCPC | Division of Cancer Prevention and Control |
| DCQ | Daily Contract Quantity |
| DCRT | Division of Computer Research and Technology |
| DCSS | Department of Child Support Services |
| DD | Department of Defense Form |
| DDC | Defense Distribution Center |
| DDD | Department of Departments Department |
| DDE | Dwight David Eisenhower |
| DDFAS-HQ/F | Deputy Director for Finance, Defense Finance and Accounting Service - Headquarters |
| DDN | Defefense Data Network |
| DDR | Diversity, Density, and Regional |
| DDS | Disability Determination Services |
| DEA | Department of External Affairs |
| DEA | Drug Enforcement Administration (U.S. Department of Justice) |
| DEALS | Division of Epidemiology, Analysis, and Library Services |
| DEAR | Doi Enterprise Architecture Repository |