| Acronym | Definition |
|---|
| ECWC➣Electronic Circuits World Convention |
| ECWC➣Empire Collegiate Wrestling Conference (New York) |
| ECWC➣East Coast Wahine Championships (surfing; est. 1997) |
| ECWC➣East Coast Wrestling Club (est. 1993) |
| ECWC➣Equestrian Center of Walnut Creek (Walnut Creek, CA) |