 Department of Humanitarian Affairs | Organizations |
| Design Hazards Analysis | Science |
| Dependent Housing Area | Military |
| District Health Authority | Medical |
| Decosahexaenoic Acid | Medical |
| Defence Housing Authority | Government |
| Dehydrated Humulinic Acid | Common |
| Dehydro-L-Ascorbic Acid | Medical |
| Dehydroabietic Acid | Medical |
| Dehydroacetic Acid | Medical |
| Dehydroalanine | Medical |
| Dehydroascorbate | Medical |
| Dehydroascorbic Acid | Medical |
| Dehydroepiandrosterone | Medical |
| Dehydrogenase Activity | Medical |
| Dehydroisoandrosterone | Medical |
| Dense Hydroxyapatite | Medical |
| Denver Housing Authority | Government |
| Department of Health and Ageing | Medical |
| Department of Homeland Security | Military |