| Acronym | Definition |
|---|
| ECAT | Every Child a Talker (UK) |
| ECAT | Extended Concatenation |
| ECAT | Enterprise Compromise Assessment Tool (Silicium Security, Inc.) |
| ECAT | Emergency Committee for American Trade |
| ECAT | Electronic Claims Analysis Tool (software; US SSA) |
| ECAT | Escambia County Area Transit |
| ECAT | electronic card assembly and test |
| ECAT | Electronically Controlled Automatic Transmission |
| ECAT | Electronic Commerce Acquisition Team |
| ECAT | equilibrium catalyst |
| ECAT | Electronic Commerce Action Team (New Zealand) |
| ECAT | Eastern Center for Arts and Technology |
| ECAT | École de Combat et Appui Tactique (French: School of Combat and Tactical Support) |
| ECAT | Exploitation Center Analysis Tool |
| ECAT | ELINT Correlation and Tracking |
| ECAT | Environmental Compliance Action Team |
| ECAT | Electrical Contractors Association of Toronto |
| ECAT | Eastbourne College of Arts & Technology (Eastbourne, UK) |