EHDD
| Acronym | Definition |
|---|---|
| EHDD | Esherick Homsey Dodge and Davis (architectural firm; San Francisco, CA) |
| EHDD | External Hard Disk Drive |
| EHDD | Electronic Head Down Display |
| EHDD | Explosive and Hazardous Devices Detail (Tucson Police Department) |
| EHDD | Enhanced Head Down Display |
| EHDD | Environment Hygiene and District Development (committee) |