| Acronym | Definition |
|---|
| ECU➣Electronic Control Unit |
| ECU➣Engine Control Unit |
| ECU➣East Carolina University |
| ECU➣Edith Cowan University |
| ECU➣Ecuador (ISO Country code) |
| ECU➣East Central University (Ada, OK) |
| ECU➣European Currency Unit (former monetary unit) |
| ECU➣Equality Challenge Unit (UK) |
| ECU➣Employees Credit Union (various locations) |
| ECU➣Evaporative Cooling Unit (air conditioning) |
| ECU➣European Chess Union |
| ECU➣Electronically-Controlled Unit (engines) |
| ECU➣External Control Unit (various uses) |
| ECU➣EISA Configuration Utility |
| ECU➣Environmental Control Unit |
| ECU➣Extended Care Unit (medical care) |
| ECU➣European Chiropractors' Union (est. 1932) |
| ECU➣Eurasian Customs Union |
| ECU➣Extreme Close Up (film & video) |
| ECU➣Extensor Carpi Ulnaris (tendon) |
| ECU➣Electrical Control Unit |
| ECU➣End Cryptographic Unit |
| ECU➣Emergency Care Unit (trauma facility) |
| ECU➣Unità di Conto Europea (Italian) |
| ECU➣Evidence Control Unit (various locations) |
| ECU➣Environmental Crimes Unit (DOE) |
| ECU➣Edison Credit Union |
| ECU➣Encephalitozoon Cuniculi |
| ECU➣Experiment Control Unit (NASA) |
| ECU➣Environmental Conditioning Unit |
| ECU➣Engineering Concepts Unlimited (manufacturer/designer of engine controls) |
| ECU➣Eternal Care Unit (morgue euphemism) |
| ECU➣Electrical Conversion Unit |
| ECU➣Engine Change Unit |
| ECU➣Electro Chemical Unit |
| ECU➣Error Correction Unit |
| ECU➣Energy Conservation Unit (hot water heat exchanger) |
| ECU➣Engineering Concepts Unlimited, Inc (manufacturer/designer of Engine Controls) |
| ECU➣English Church Union |
| ECU➣Energy Recovery Unit (hot water heat exchanger) |
| ECU➣Enhanced Channel Unit (cellular) |
| ECU➣Elgin Choral Union (Elgin, IL) |
| ECU➣Equivalence Class Unification |
| ECU➣Electronic Cabling Unit |
| ECU➣End COMSEC Unit |
| ECU➣Executive Control Unit |
| ECU➣Entertainment Capacity Unit |
| ECU➣External Connectivity Utility |