| Acronym | Definition |
|---|
| EHD | Epizootic Hemorrhagic Disease |
| EHD | Entreprendre pour Humaniser la Dépendance (French: Business for Humanizing Dependence; home care) |
| EHD | European Heritage Days (cultural event) |
| EHD | External Hard Drive |
| EHD | Extra Heavy Duty |
| EHD | Economic and Human Development (various organizations) |
| EHD | English Historical Documents (Eyre and Spottiswoode publication) |
| EHD | Electrohydrodynamics |
| EHD | External Hard Disk (aka External Hard Drive) |
| EHD | Electronic Home Detention (security; various locations) |
| EHD | Environmental Health Directorate |
| EHD | Economic Hardship Deferment (student loans) |
| EHD | Échelle d'Humeur Dépressive (French: Depressive Mood Scale) |
| EHD | Equivalent Hydraulic Diameter (tubing measurement) |
| EHD | Enterprise Help Desk |
| EHD | Éco Habitat Durable (French: Eco Sustainable Living) |
| EHD | Extra Hit Dice (Dungeons & Dragons gaming) |
| EHD | Engineering Hardware Description |
| EHD | Extreme Hedge Divers (gaming group) |
| EHD | Electro-Hydraulic Discharge |