| Abbreviation | Definition |
|---|---|
| DDCS | Distributed Database Connecion Services/2 |
| DDD | Data Display Debugger |
| DDD | Doocs Data Display |
| DDES | Digital Data Exchange Specifications |
| DDES | Digital Data Exchange Standard |
| DDF | Data Definition File |
| DDF | Driver Description File |
| DDI | Digital Data Interpreter |
| DDK | Device Driver Kit |
| DDK | Driver Development Kit |
| DDL | Dictionary Definition Language |
| DDL | Document Description Language |
| DDM | Data Diffusion Machine |
| DDM | Distributed Data Management |
| DDN | Defense Data Network |
| DDP | Data Descriptor Protocol |
| DDP | Distributed Data Processing |
| DDRM | Device driver interface/Driver kernel interface |
| DDS | Data Description Specifications |
| DDS | Dataphone Digital Service |