| Abbreviation | Definition |
|---|---|
| DHNA | Dart Harbour Navigation Authority |
| DIDRA | Dubai Internet Domains Registration Authority |
| DIMAR | Dirección General Marítima (Spanish: National Maritime Authority; Colombia) |
| DIP | Deceptive Image Persuasion. Using an image out of context to associate it with misinformation in or |
| DIVA | Defining Integrity Vision Authority |
| DNLA | Danish National Library Authority |
| DOFA | Delegation Of Financial Authority |
| DOPA | Delegation Of Parental Authority |
| DOTT | Department Of Tourism and Transport |
| DPA | Data Protection Authorities |
| DPA | Dubai Ports Authority |
| DPACS | Department of Public Administration and Civil Service (Laos) |
| DPAP | Delegation of Purchasing Authority Program |
| DRA | Downtown Redevelopment Authority |
| DRBA | Delaware River and Bay Authority |
| DRHA | Detroit Redevelopment and Housing Authority |
| DRPA | Delaware River Port Authority |
| DRSC | Departmentally Related Standing Committee |
| DRSP | Data reporting services providers |
| DSA | Delegation of Signature Authority |