| Acronym | Definition |
|---|
| NAD | National Association of the Deaf |
| NAD | National Advertising Division |
| NAD | North American Datum (used for geographic reference) |
| NAD | Namibian Dollar (ISO currency code) |
| NAD | Nicotinamide Adenine Dinucleotide |
| NAD | Network Anomaly Detection |
| NAD | North American Division (various organizations) |
| NAD | Nanggroe Aceh Darussalam (Indonesia) |
| NAD | Gonad |
| NAD | National Appeals Division |
| NAD | Network Access Disk |
| NAD | New Acoustic Dimension |
| NAD | Network Adapter Disk |
| NAD | Network Attached Disk |
| NAD | not Adapt |
| NAD | Nadir Aperture Door |
| NAD | National Adoption Directory |
| NAD | New Acoustic Dimension (amplifier) |
| NAD | National Academy of Design |
| NAD | North Atlantic Division (US Army Corps of Engineers) |
| NAD | Network Access Device |
| NAD | New Application Development (software; various organizations) |
| NAD | Naval Ammunition Depot |
| NAD | No Acute Distress |
| NAD | National Aboriginal Day |
| NAD | Ned's Atomic Dustbin (band) |
| NAD | No Apparent Distress |
| NAD | National Accounts Department (various organizations) |
| NAD | Nile African Development |
| NAD | Not A Defect (software defect tracking) |
| NAD | No Abnormality Detected |
| NAD | Naval Air Detail (US Navy) |
| NAD | No Active Disease |
| NAD | Nitric Acid Dihydrate |
| NAD | Need Arrival Date (US DoD) |
| NAD | National Armaments Director |
| NAD | Naval Aviation Depot |
| NAD | Nansen Arctic Drilling (program) |
| NAD | Neutrophil Actin Dysfunction |
| NAD | Naval Air Depot |
| NAD | No Asbestos Detected |
| NAD | Non-Aqueous Dispersion |
| NAD | Nebraska Association of the Deaf |
| NAD | National Audience Demographics |
| NAD | Network Access Delay |
| NAD | Not Adequately Defined |
| NAD | Node Administration |
| NAD | Non-Animal Derived |
| NAD | Network Access Domain |
| NAD | Nuclear-Accident Dosimeter |
| NAD | Nielsen Audience Demographic |
| NAD | Navy Acquisition Directive |
| NAD | Next Activity Date |
| NAD | Non-Acoustic Data |
| NAD | NuAspect Development |
| NAD | nicotinamide adenine dinucleotide radical |