| Abbreviation | Definition |
|---|---|
| DMSS | Data Management Support System |
| DMSS | Digital Minds Software Solutions |
| DMSS | Document Management System Software |
| DMT | Data Monitoring Tool |
| DMT | Desktop Migration Tool |
| DMU | Digital Mock-Up |
| DNA | Distributed Network Application |
| DNA | Domino Network Analysis |
| DNCA | DataNaut Conference Appliance |
| DND | DND's Not Dunes |
| DNDP | Direct Neural Dynamic Programming |
| DNIE | Digital Natural Image Engine |
| DNLD | Download |
| DNM | Definity Network Management |
| DNM | Display Narrow Matrix |
| DNN | DotNetNuke |
| DO | Digital Order |
| DOBS | Dynamic Object Browsing System |
| DOCL | Direct Orbital Code Link (communication with satellites ) |
| DoD | Day of Defeat |