| Acronym | Definition |
|---|
| NDAC➣not Data Accepted |
| NDAC➣National Defense Advisory Commission (US Navy) |
| NDAC➣Not Data Accepted (IEEE-488/IEC-625 interface bus) |
| NDAC➣New Drug Advisory Committee (various organizations) |
| NDAC➣North Dakota Aeronautics Commission |
| NDAC➣National Day of the American Cowboy (est. 2004) |
| NDAC➣Network Design and Analysis Center (US FEMA) |
| NDAC➣National Defense Advisory Council |
| NDAC➣National Diving & Activity Centre (Chepstow, Gloucestershire, England) |
| NDAC➣New Dragon Asia Corporation (China) |
| NDAC➣Nuclear Defense Affairs Committee |
| NDAC➣New Denver Ad Club |
| NDAC➣National Debt Awareness Campaign |
| NDAC➣Northern Dutchess Aquatic Club (Red Hook, NY) |
| NDAC➣Naval Data Automation Command |
| NDAC➣Network Design & Analysis Capability (US NCS) |