| Acronym | Definition |
|---|
| DCDR➣Decoder |
| DCDR➣Downpatrick & County Down Railway (Northern Ireland, UK) |
| DCDR➣Division Commander |
| DCDR➣Danish Centre for Design Research (Denmark) |
| DCDR➣Design Critical Drawing Release |
| DCDR➣Data Collection and Data Relay |
| DCDR➣Deputy Combatant Commander (formerly DCINC, Deputy Commander in Chief) |