| Abbreviation | Definition |
|---|---|
| EBRC | East Bay Rowing Club |
| EBRC | East Brunswick Racquet Club |
| ECBC | Exeter College Boat Club |
| ECC | Environmental Conservation Club |
| ECC | Excelsix Club Couples |
| ECCC | Essex County Cricket Club |
| ECCC | European Champion Clubs Cup |
| ECCC | European Club Cup of Champions |
| ECFC | East Cooper Fishing Club |
| ECFC | El Cerrito Futbal Club |
| ECFC | El Cerrito Futbol Club |
| ECFNC | Essex County Field Naturslists' Club |
| ECGC | Education City Golf Club |
| ECLR | Engineering Club Leadership Retreat |
| ECMC | European Confederation of Motorcycle Clubs |
| ECNL | Elite Club National League |
| ECNL | Elite Club National Level |
| ECNL | Elite Clubs National League |
| ECOC | Essex County Ornithological Club |
| ECOG | Evergreen Club of Ghana |