| Acronym | Definition |
|---|
| DEW | Distant Early Warning (Line) |
| DEW | Department of Environment and Water Resources (Australia) |
| DEW | Diamond Equivalent Weight (jewelry) |
| DEW | Deutsche Edelstahlwerke |
| DEW | Diagnostic Evidence Worksheet |
| DEW | Directed Energy Weapon |
| DEW | Defense Early Warning |
| DEW | Dampfeisenbahn Weserbergland (Germany) |
| DEW | Donald E. Westlake (novelist) |
| DEW | Dortmunder Energie Und Wasser (German: Dortmund Energy and Water) |
| DEW | Directed Energy Warfare |
| DEW | Developing the Economy from Within |
| DEW | Digital Ethnography Workgroup |
| DEW | Directed Early Warning |
| DEW | Directors' Early Warning |
| DEW | Data Engineering Workstation |
| DEW | Defensive Electronic Warfare |
| DEW | Department of Energy and Water |