ECWC
| 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) |