| Acronym | Definition |
|---|
| ECB | European Central Bank |
| ECB | England and Wales Cricket Board |
| ECB | European Corn Borer (insect) |
| ECB | European Chemicals Bureau |
| ECB | Electronic Codebook |
| ECB | Event Control Block |
| ECB | Emacs Code Browser |
| ECB | External Commercial Borrowing |
| ECB | English Cricket Board |
| ECB | Electrically Controlled Birefringence (LCD driving mode) |
| ECB | Engineer Combat Battalion (US DoD) |
| ECB | Evaluation Capacity Building |
| ECB | Extra Care Bucks (CVS Rewards Program) |
| ECB | European Congress on Biotechnology |
| ECB | Echelons Corps and Below (US DoD) |
| ECB | Election Commission of Bhutan (est. 2006) |
| ECB | Ethernet to Coax Bridge |
| ECB | Electronic Code Block |
| ECB | Electronic Circuit Breaker |
| ECB | Environmental Chemistry Branch (US DoD and US EPA) |
| ECB | Electronic Council Book |
| ECB | Engineering and Construction Bulletin (USACE) |
| ECB | Electrically Controlled Brake (automobiles) |
| ECB | Entry Control Block |
| ECB | Enhanced Class B (airspace) |
| ECB | Ethernet Client Bridge (3Com) |
| ECB | Europe Card Bus |
| ECB | Emitter-Base-Collector |
| ECB | Expendable Communication Buoy |
| ECB | Equivalent Complex Baseband |
| ECB | Eurodocsis Certification Board |
| ECB | Embedded Computer Board |
| ECB | Empty Cardboard Box |
| ECB | Electrical Codes Board |
| ECB | Engine Compression Braking |
| ECB | Eltham Concert Band |
| ECB | Eddy Current Breaking |
| ECB | Encore Concert Band (Orland Park, IL) |
| ECB | Electron Tunneling from Conduction Band |
| ECB | Eynesford Concert Band (Kent, UK) |
| ECB | Engineering Core Backbone (Sprint) |
| ECB | Exercise Control Branch (job title) |
| ECB | Elevator Control Board |
| ECB | Electrical Control Board |
| ECB | Earth Connecting Bar |
| ECB | Evangelical Christian Baptist |
| ECB | Economics and Business (various organizations) |
| ECB | European Cultural Backbone (mediacultural coalition) |