| Acronym | Definition |
|---|
| ECT | Electro-Convulsive Therapy |
| ECT | Engine Coolant Temperature |
| ECT | Edge Crush Test |
| ECT | Empresa Brasileira de Correios e Telégrafos (Brazil) |
| ECT | Explicit Call Transfer |
| ECT | Emission Computed Tomography |
| ECT | Eddy Current Testing |
| ECT | ECN-Capable Transport (explicit congestion notification) |
| ECT | Energy Charter Treaty (UN) |
| ECT | Enterprise Class Teleworker (Cisco) |
| ECT | Electronic City (India) |
| ECT | European Credit Transfer |
| ECT | Electronic Control Transmission |
| ECT | European Central Time (time zone) |
| ECT | Enteric Coated Tablet |
| ECT | Ecuador Time |
| ECT | Estimated Completion Time |
| ECT | Election Commission of Thailand |
| ECT | Error Correction Term |
| ECT | Environmental Control Technology |
| ECT | Embedded Computer Technology |
| ECT | Expectation-Confirmation Theory |
| ECT | Europe Container Terminus (Port of Rotterdam) |
| ECT | Eau Claire Transit (Wisconsin) |
| ECT | Echo Cancellation Technique |
| ECT | Equivalent Chill Temperature |
| ECT | Enterprise Caching Technology |
| ECT | Environment Control Table |
| ECT | Emulsion Chamber Technology |
| ECT | Pan-European Clinical Trials |
| ECT | Extended Combat Training |
| ECT | East Chicago Transit |
| ECT | Equipment Craft Terminal |
| ECT | Environmental Compliance Team |
| ECT | Exchange Carrier Tandem |
| ECT | Centrotemporal Epilepsy |
| ECT | Evaporator Condensate Tank |
| ECT | Enlarged Cell Technique |
| ECT | Electronic Clearing Terminal |
| ECT | Extended Coverage Team (various companies) |
| ECT | Engineer Cad Technician |
| ECT | Edinburgh Corporation Transport |
| ECT | Engineer Center Team |
| ECT | Euro-Change-Team |
| ECT | Enterprise Complaint Tracking |
| ECT | Explicit Context Tracking |
| ECT | Exception Call Treatment |
| ECT | Elliptical Cross Trainer (health equipment) |
| ECT | Explosive Car Tuning |
| ECT | Energy, Commodities and Transportation (financial sector) |
| ECT | Early Childhood Teacher |