| Acronym | Definition |
|---|
| D&D➣Dungeons and Dragons |
| D&D➣Design & Development |
| D&D➣Dean & Deluca |
| D&D➣Drag and Drop (mouse interface) |
| D&D➣Dumb and Dumber (movie) |
| D&D➣Deaf and Dumb |
| D&D➣Deities and Demigods |
| D&D➣Denial and Deception (US DoD) |
| D&D➣Deuterium Deuterium |
| D&D➣Decontamination and Decommissioning |
| D&D➣Death & Disability (insurance coverage) |
| D&D➣Drag and Drop |
| D&D➣Death and Dismemberment |
| D&D➣Drunk and Disorderly |
| D&D➣Drug and Disease |
| D&D➣Dishwasher and Disposal |
| D&D➣Done and Dusted |
| D&D➣Deactivation and Decommissioning |
| D&D➣Detection and Direction |
| D&D➣Delay and Disruption |
| D&D➣Degen & Degen Architecture and Interior Design (various locations) |
| D&D➣Damage & Destroy |
| D&D➣Distress and Diversion |
| D&D➣Devonshire and Dorset Regiment (British regiment) |
| D&D➣Divorced & Desperate |
| D&D➣Diversity and Dialogue (Norway and UK) |
| D&D➣Display & Decision (Area) |
| D&D➣Divestiture & Deregulation |
| D&D➣Distress & Disaster |
| D&D➣Diu and Damman (India) |