| Acronym | Definition |
|---|
| DHA | Dogan Haber Ajansi (Turkish news agency) |
| DHA | Docosahexaenoic Acid |
| DHA | Department of Home Affairs |
| DHA | Dubai Health Authority (previously known as DOHMS) |
| DHA | Defence Housing Authority |
| DHA | Defense Health Agency (US DoD) |
| DHA | Department of Health and Ageing (Australia) |
| DHA | Dihydroxyacetone |
| DHA | Department of Humanitarian Affairs (United Nations) |
| DHA | Diamond Herpanacine Associates (health products) |
| DHA | Doctor of Health Administration |
| DHA | Dental Health Associates (various locations) |
| DHA | Dialogues d'Histoire Ancienne (French: Dialogues of Ancient History) |
| DHA | Directory Harvest Attack |
| DHA | Dallas Housing Authority |
| DHA | Dihydroartemisinin (antimalarial drug) |
| DHA | Division of Hearings and Appeals (Wisconsin) |
| DHA | Dehydroascorbate |
| DHA | David Higham Associates (UK) |
| DHA | Commonwealth Department of Health and Ageing (Australia) |
| DHA | Département d'Histoire et d'Archéologie (French: Department of History and Archaeology) |
| DHA | Dianna Hutts Aston (author) |
| DHA | Disaster Housing Assistance (FEMA) |
| DHA | Detroit Hockey Association (Detroit, MI) |
| DHA | Direct Hardware Access |
| DHA | Detainee Holding Area |
| DHA | Descend, Heartless Angel (Kingdom Hearts game) |
| DHA | Doctor of Healthcare Administration |
| DHA | Direct Historic Approach (archaeology) |
| DHA | Danube Hydro Austria |
| DHA | De-Hydroabietic Acid |
| DHA | Dependent Housing Area |
| DHA | Direct Humanitarian Aid |
| DHA | Design Hazard Analysis |
| DHA | Departure Holding Area |
| DHA | Dhahran, Saudi Arabia - Dhahran International (Airport Code) |
| DHA | Disposable Hearing Aid |
| DHA | Distri Haut Anjou (French firewood business) |
| DHA | Digital Headed Assembly |
| DHA | Department of Hearings and Appeals |
| DHA | Directions for Handling and Administration (clinical trials) |