| Abbreviation | Definition |
|---|---|
| DAS | Department of Administrative Services |
| DASH | DOT ( Department Of Transportation) Auto Safety Hotline |
| DASIS-TEDS | Drug Abuse Services Information System Treatment Episode Data Set |
| DASPA | Deputy Assistant Secretary for Public Affairs |
| DAT | Direct Access Testing |
| DATA | Debt Aid Trade For Africa |
| DATA | Debt Aids And Trade For Africa |
| DATA | Disability Action Training And Advocacy |
| DB | Defense Budget |
| DBC | Design By Contract |
| DBD | Domestic Branches Division |
| DBDR | Division of Blood Diseases and Resources, National Institutes of Health |
| DBE | Disadvantaged Business Enterprise |
| DBL | Disability Benefits Law |
| DBNBR | Division of Basic Neuroscience and Behavioral Research |
| DBQ | Document Based Question |
| DBSVB | Developmental Biology and Structural Variation Branch |
| DC | Denali Commission |
| DC | Duck and Cover |
| DCA | District Court of Appeal |