| Abbreviation | Definition |
|---|---|
| ECON | Economic Club Of Nashville |
| ECOT | Economic Club Of Toronto |
| ECP | Economic Club of Phoenix |
| ECP | Explorers Club of Pittsburgh |
| ECPB | European Club for Paediatric Burns |
| ECPB | European Club of Pediatric Burns |
| ECSC | Eagle Creek Sailing Club |
| ECSC | Ellicott City Soccer Club |
| ECSL | Exchange Club of Sugar Land |
| ECTF | Eating Clubs Task Force |
| ECVP | Engineers Club Of The Virginia Peninsula |
| ECVP | Engineer's Club of the Virginia Peninsula |
| ECWC | Effingham County Wrestling Club |
| ECZ | Eislauf Club Zürich |
| EDBC | Egyptian Dutch Business Club |
| EDBC | Etoile Descartoise Basket Club |
| EDBC | Evansville Duplicate Bridge Club |
| EDDC | Eastlea Digital Design Club |
| EDFC | Eglinton District Football Club |
| EDFC | Erster Deutscher Fantasy Club |