| EWC | Either-Way Communication | 半双工通信 |
| EWC | Electronic Warfare Commander | 电子战指挥官 |
| EWC | Expected Week of Childbirth | 预计分娩周 |
| EWC | Emma Watson Connection | Emma Watson连接 |
| EWC | Edward Waters College | 爱德华沃特斯学院 |
| EWC | Eugene Wine Cellars (Eugene, Oregon) | 尤金酒窖（俄勒冈州尤金） |
| EWC | Extreme Wrestling Coalition | 极限摔跤联盟 |
| EWC | European Women's Cup (Motorcycling - Road Racing) | 欧洲女足世界杯(骑摩托车-赛车) |
| EWC | Efficient Windows Collaborative | 高效的Windows协作 |
| EWC | Expeditionary Warfare Conference | 远征战争会议 |
| EWC | Engineering Workforce Commission | 工程劳动力委员会 |
| EWC | Electronic Warfare Committee | 电子战委员会 |
| EWC | East West Center | 东西中心 |
| EWC | European Waste Catalogue | 欧洲废物目录 |
| EWC | Electric Water Cooler | 电动水冷却器 |
| EWC | European Works Council | 欧洲工程委员会 |
| EWC | Expected Warranty Cost | 预期保修成本 |
| EWC | Elites Without Cheats | 没有欺骗的精英 |
| EWC | Eberwhite Web Club | Eberwhite Web俱乐部 |
| EWC | Elder Wisdom Circle (Walnut Creek, CA) | 长者智慧圈（加利福尼亚州核桃溪） |
| EWC | Endangering the Welfare of a Child | 危及儿童福利 |
| EWC | Electronic Warfare Coordinator | 电子战协调员 |
| EWC | Economics Working Group | 经济工作组 |
| EWC | Electrode-Width Controlled | 电极宽度受控 |