| Abbreviation | Definition |
|---|---|
| DNUS | Digital Networking Unit - SONET |
| DO | Data Only |
| DO | Distributed Object |
| DOCOMO | Do Communications Over the Mobile Network |
| DOCSIS | Data Over Cable System Interface Specifications |
| DOCSIS | Data Over Cable Systems Interface Specifications |
| DOI | Domain Of Interpretation |
| DOM | Document Object Model |
| DORA | Discover Offer Request Authenticate |
| DOS | Denial Of Service |
| DOT | Distributed Object Technology |
| DP | Data Packet |
| DP | Distributed and Parallel |
| DP | Distributed Processing |
| DP | Dynamic Profile |
| DPA | Demand Priority Access |
| DPD | Dynamic Peer Detection |
| DPI | Deep Packet Inspection |
| DPNSS | Digital Private Network Signalling System |
| DPQ | Default Print Queue |