| Acronym | Definition |
|---|
| EHT | Event Horizon Telescope (astronomy project) |
| EHT | Egg Harbor Township (New Jersey) |
| EHT | Euro Hockey Tour (ice hockey) |
| EHT | Employer Health Tax (Canada) |
| EHT | Electronic Hardware Technology |
| EHT | Extremely High Temperature |
| EHT | Extra High Tension (spectrometry) |
| EHT | Eicosanoyl-5-Hydroxytryptamide (neuroprotective coffee compound) |
| EHT | Essential Hypertension |
| EHT | Électrolyse Haute Température (French: High Temperature Electrolysis) |
| EHT | Electronics/High Tech (business sector) |
| EHT | Electricals & Home Technology |
| EHT | Extended Hückel Theory |
| EHT | Ek Hasina Thi (movie, India) |
| EHT | Electrical Heat Trace |
| EHT | Electrothermal Hydrazine Thruster |
| EHT | Executive Housekeeping Today |
| EHT | Eastern Harbour Tunnel (Hong Kong) |
| EHT | Ethical Hacking Test |
| EHT | Electrical High Tension |
| EHT | Employment in High Tech |
| EHT | Emitter Homing Technology |
| EHT | Enhanced Home Technologies (Tempe, AZ) |
| EHT | Extendible Hash Table |
| EHT | Expert Heat Treatment (UK) |
| EHT | Elderly and Handicapped Transportation |
| EHT | Elmdale House Tavern (Ottawa, Ontario, Canada) |