| ECU | A Elephants Carrying Umbrellas 
| Others |
| ECU | Earth Centered Universe
| Others |
| ECU | Earthmover Credit Union
| Others |
| ECU | East Carolina University
| Others |
| ECU | East Central University
| Others |
| ECU | Eastman Credit Union
| Others |
| ECU | EC2 Compute Unit
| Others |
| ECU | Economic Crimes Unit
| Others |
| ECU | Ecosystem Communication Unit
| Others |
| ECU | Edith Cowan University
| Others |
| ECU | Educators Credit Union
| Others |
| ECU | Eisa Configuration Utility
| Others |
| ECU | Ejaculation Close Up
| Others |
| ECU | Elastic Compute Unit
| Others |
| ECU | Electric Combustion Unit
| Others |
| ECU | Electrical Control Unit
| Others |
| ECU | Electronic Camber Unit
| Others |
| ECU | Electronic Circuit Unit
| Others |
| ECU | Electronic Computer Unit
| Others |
| ECU | Electronic Control Unit
| Others |
| ECU | Electronic Coupling Unit
| Others |
| ECU | Electronic Crimes Unit
| Others |
| ECU | Electronic Currency Unit
| Others |
| ECU | Elevator Control Unit
| Others |
| ECU | Emergency Carolina University
| Others |
| ECU | Emissions Control Unit
| Others |
| ECU | Engine Calibration Unit
| Others |
| ECU | Engine Computing Unit
| Others |
| ECU | Engine Control Unit
| Others |
| ECU | Environmental Conditioning Unit
| Others |
| ECU | Environmental Control Unit
| Others |
| ECU | Equipment Cost Unit
| Others |
| ECU | Error Correction Unit
| Others |
| ECU | Eternal Care Unit
| Others |
| ECU | European Currency Unit
| Others |
| ECU | Everyone Carries Umbrellas
| Others |
| ECU | Evidence Control Unit
| Others |
| ECU | Experiment Control Unit
| Others |
| ECU | Experimental Currency Unit
| Others |
| ECU | Extensor Carpi Ulnaris
| Others |
| ECU | Extra Credit Union
| Others |
| ECU | Extreme Close Up
| Others |
| ECU | Extreme Close-Up
| Others |