HDES
| Acronym | Definition |
|---|---|
| HDES | High Density Encoding System |
| HDES | Human Dimensions of Environmental Systems (University of Illinois) |
| HDES | Head of Defence Export Services (UK) |
| HDES | Hospital do Divino Espírito Santo (Azores, Portugal) |
| HDES | Highland Deaf Education Service (UK) |