| Acronym | Definition |
|---|
| DEU | Germany (ISO Country code) |
| DEU | Dokuz Eylul University |
| DEU | Delegated Examining Unit (US Government) |
| DEU | Democratic Union (Czech Republic) |
| DEU | Deutsche Eislauf-Union (German: German Skating Union) |
| DEU | Drug Enforcement Unit |
| DEU | Departamento del Español Urgente (Spanish: Urgent Spanish Department) |
| DEU | Dividend Equivalent Unit (finance) |
| DEU | Data Exchange Utility (software) |
| DEU | Display Electronics Unit |
| DEU | Dumb End User |
| DEU | Digital Electronics Unit |
| DEU | Distinctive Environmental Uniform |
| DEU | Disk Expansion Unit (server technology for storage solutions) |
| DEU | Display Electronic Unit |
| DEU | Dunya Europe University (Switzerland) |
| DEU | Defective End-User |
| DEU | Data Encryption Unit |
| DEU | Doom Editing Utilities |
| DEU | Deck/Engine Utility |
| DEU | Digital Enabled Usages |
| DEU | Drive Electronics Unit (Heads-up Guidance System) |
| DEU | Digital Evaluation Unit |