 Defense Intelligence Agency | Military |
| Document Interchange Architecture | Technology |
| Diameter | Technology |
| Diamond tT | Organizations |
| Drug Information Association | Science |
| Department of Internal Affairs | Government |
| Digital Image Analysis | Medical |
| Display Industry Association | Common |
| Debug Information Access | Technology |
| Defence Intelligence Agency | Military |
| Defense Information Agency | Common |
| Deficiency in Allowance | Common |
| Deformation-Induced Amorphization | Common |
| Deisopropylatrazine | Medical |
| Denmark's Academy for Engineering | Science |
| Densely Inhabited Area | Common |
| Denver International Airport | Locations |
| Departamento De Investigaciones Agropecuarias | Organizations |
| Department of Indian Affairs | Science |
| Department of International Affairs | Science |