| Abbreviation | Definition |
|---|---|
| DAART | Directorate of Army Ammunition, Ranges, and Targets |
| DAAS | Dad's Army Appreciation Society |
| DAAS | Defense Automatic Addressing System |
| DAASO | Defense Automatic Addressing System Office |
| DAB | Defense Acquisition Board |
| DABF | Directorate of Army Benevolent Fund |
| DAC | Date of Award of Contract |
| DAC | Days After Contract |
| DAC | Department of Army Civilian |
| DAC | Department of the Army Civilian |
| DAC | Deputy Assistant Commandant |
| DAC | Designated Acquisition Commanders |
| DAC | DIA (Defense Intelligence Agency) Counterintelligence and Security Activity |
| DAC | Digital to Analog Conversion |
| DAC | Discretionary Access Control |
| DAC | Discriminating Attack Capability |
| DACB | Data Adapter Control Block |
| DACC | Defence Assistance to the Civil Community |
| DACC | Diving Air Control Console |
| DACCS | Department of the Army Command and Control System |