HEDD
| Acronym | Definition |
|---|---|
| HEDD | High Electric Demand Day |
| HEDD | Harmonically Enhanced Digital Device (Crane Song) |
| HEDD | Heidelberger Electronic Document Delivery |
| HEDD | Hybrid Electric Drive Demonstrator (based on Bradley Fighting Vehicle) |
| HEDD | Human Engineering Design Document |
| HEDD | High Energy Density Device |
| HEDD | Hopeful Expected Due Date (pregnancy) |