| Abbreviation | Definition |
|---|---|
| DFM | Desktop File Manager |
| DFP | DART for Publishers |
| DFP | Doubleclick For Publishers |
| DFSG | Debian Free Software Guidelines |
| DFSR | Distributed File System Replication |
| DFTS | Design for Trustworthy Software |
| DFU | Directions For Use |
| DGI | Dynamic Graphics, Inc. |
| DGL | Daves Game Library |
| DGP | Data Group |
| DGS | Darn Good Solution |
| DH | Data Handling |
| DHA-365 | DHA-365 Domestic helpers hiring and performance assessment system |
| DHIS | District Health Information Software |
| DHL | Description Horn Logic |
| DHS | Dedicated Hosted Solution |
| DHTML | Dynamic HyperText Markup Language |
| DI | Data Integration |
| DI | Dependency Injection |
| DI | Digital Imaging |