| Term | Full Form | Category |
|---|---|---|
| ECWC | Early Childhood Winter Conference | Others |
| ECWC | East Coast West Coast | Others |
| ECWC | Effingham County Wrestling Club | Others |
| ECWC | Electronic Circuits World Convention | Others |
| ECWC | Empire Collegiate Wrestling Conference | Others |
| ECWC | Employers' Council on Workers' Compensation | Others |
| ECWC | Equestrian Center of Walnut Creek | Others |
| ECWC | Euclid Creek Watershed Council | Others |