| EWC | East West Center 
| Others |
| EWC | East West Collaboration
| Others |
| EWC | Eastern Wyoming College
| Others |
| EWC | Eberwhite Web Club
| Others |
| EWC | Edmond Women's Club
| Others |
| EWC | Education Workforce Council
| Others |
| EWC | Edward Waters College
| Others |
| EWC | Effective Writing Center
| Others |
| EWC | Efficient Windows Collaborative
| Others |
| EWC | Electric Water Cooler
| Others |
| EWC | Electronic Warfare Center
| Others |
| EWC | Electronic Warfare Coordinator
| Others |
| EWC | Electronics Warfare Technician Chief Petty Officer
| Others |
| EWC | Elite Wrestling Corporation
| Others |
| EWC | Elites Without Cheats
| Others |
| EWC | Emma Watson Connection
| Others |
| EWC | Endurance World Championship
| Others |
| EWC | Energy Water Company
| Others |
| EWC | Energy World Corporation
| Others |
| EWC | Engineering Workforce Commission
| Others |
| EWC | Enhanced Wireless Consortium
| Others |
| EWC | Entergy Wholesale Commodities
| Others |
| EWC | Episcopal Women's Caucus
| Others |
| EWC | Equilibrium Water Content
| Others |
| EWC | ESRB Website Council
| Others |
| EWC | European Waste Catagloue
| Others |
| EWC | European Waste Catalogue
| Others |
| EWC | European Water Closet
| Others |
| EWC | European Wax Center
| Others |
| EWC | European Works Council
| Others |
| EWC | European Works Councils
| Others |
| EWC | Every Woman Counts
| Others |
| EWC | Exchange Web Connect
| Others |
| EWC | Expectation Without Communication
| Others |
| EWC | Expected Week of Confinement
| Others |
| EWC | Express Written Consent
| Others |
| EWC | Extreme Wrestling Corporation
| Others |