| 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 |