| DAC | Delayed Action Command | - | Atmospheric Research Center |
| DAC | Derived Air Concentration | - | Computer Acronyms(common) |
| DAC | Diamond Anvil Cell | - | Computer Acronyms(common) |
| DAC | Digital-to-Analog Converter | - | Computer and Internet |
| DAC | Digital-to-Analog Converter | - | Human Genome |
| DAC | Data Acquisition And Control | - | Organizations |
| DAC | Data Acquisition Camera | - | Organizations |
| DAC | Digital To Analog Converter | - | Organizations |
| DAC | Digital To AnalYtical Conversion | - | Organizations |
| DAC | Douglas Aircraft Corporation | - | Business and Finance |
| DAC | Director's Advisory Committee | - | Business and Finance |
| DAC | Disaster Assistant Center | - | Business and Finance |
