| Abbreviation | Definition |
|---|---|
| DBZ | Dragon Ball Za |
| DCP | Data Collection Package |
| DCS | Data Collection System |
| DD | Degree Days |
| DDN | Defense Data Network |
| DDT | Density, Distance, and Terrain |
| DDTW | Don't Drink The Water |
| DEM | Data Elevation Model |
| DEM | Digital Elevation Modeling |
| DERM | Digital Earth Reference Model |
| DF | Direction Finder |
| DHI | Diffuse Horizontal Irradiance |
| DHMS | Department of Hydro Meteorological Service |
| DIG | Drought information for Georgia |
| DISS | Digital Ionospheric Sounding System |
| DLP | Data Link Processor |
| DMD | Dead Mercury Day |
| DMDD | Digital Meteorological Data Dissemination |
| DMSO | Defense Modeling and Simulation Office |
| DMSP | Defense Meteorological Satellite Program |