| Acronym | Definition |
|---|
| ECH | Extra Care Housing (various organizations) |
| ECH | Echelon |
| ECH | Echinacea |
| ECH | Elizabethtown Community Hospital (New York) |
| ECH | Epichlorohydrin |
| ECH | Echangeur (French: Exchange; Canada Post street designation) |
| ECH | Electron Cyclotron Heating |
| ECH | Ethylene Chlorohydrin (chemical compound) |
| ECH | Enhanced Call Handling |
| ECH | Episodic Cluster Headaches |
| ECH | European Clearing House (securities industry) |
| ECH | Ephrata Community Hospital (Ephrata, PA) |
| ECH | École Centrale d'Hypnose (French: Central School of Hypnosis) |
| ECH | El Centro Hispano (North Carolina) |
| ECH | Equity Corporate Housing (Chicago, IL) |
| ECH | Empty Container Handler (equipment) |
| ECH | European Committee for Homeopathy |
| ECH | Equivalent Credit Hour (various schools) |
| ECH | Enterprise Customer Hub (Amdocs) |
| ECH | Entreprise de Construction Hémoise (French construction company) |
| ECH | Emergency Command Hologram (Star Trek) |
| ECH | Echo Channel |
| ECH | Environnements Continentaux et Hydrosciences (French: Continental Environments and Hydrosciences) |
| ECH | Europe Concept Habitat (French construction company) |
| ECH | Ear Canal Headphones |
| ECH | Earth Coverage Horn |
| ECH | Early Childhood for the Handicapped |
| ECH | Early Career Hire |