| EWS | Engineering Working Station | 工程师工作站 |
| EWS | Enclosed Weapon Station | 密封式武器战 |
| EWS | Engineered Wood Systems (trade association) | 工程木材系统（行业协会） |
| EWS | English Welsh And Scottish | 英语威尔士语和苏格兰语 |
| EWS | Eastern Washington State | 华盛顿州东部 |
| EWS | Engineering Worksheet | 工程工作表 |
| EWS | Emma Willard School (Troy, NY, founded in 1814) | Emma Willard学校（纽约州特洛伊，创建于1814年） |
| EWS | Early Warning System | 预警系统 |
| EWS | Early Warning Signal | 预警信号 |
| EWS | Emergency Warning System | 紧急报警系统 |
| EWS | Electronic Weighing Scale | 电子称重秤 |
| EWS | Engineering Watch Supervisor | 工程值班主管 |
| EWS | Ewing's Sarcoma | 尤因氏肉瘤 |
| EWS | European Webservice | 欧洲Web服务 |
| EWS | Emergency Water Supply | 应急供水 |
| EWS | Early Wet Season | 早期雨季 |
| EWS | Ethernet Workgroup Switch | 以太网工作组交换机 |
| EWS | Electronic Warfare Suite | 电子战套件 |
| EWS | Environmental Waste Solutions | 环境废物解决方案 |
| EWS | Expeditionary Warfare School (US Marine Corps) | 远征战争学校（美国海军陆战队） |
| EWS | Emulate Weak Sectors | 模拟弱扇区 |
| EWS | Enterprise Work Station | 企业工作站 |
| EWS | Ethel Walker School (Simsbury, CT) | 埃塞尔·沃克学校（康涅狄格州辛斯伯里） |
| EWS | Enterprise Web Service | 企业Web服务 |
| EWS | Eyes Wide Shut (Stanley Kubrick movie) | 闭上眼睛（斯坦利·库布里克电影） |
| EWS | Executive Wine Seminars, Inc (New York, NY) | Executive Wine Seminars，Inc（纽约州纽约市） |
| EWS | Employee Written Software (IBM) | 员工编写的软件（IBM） |
| EWS | Electronic Warfare Simulator | 电子战模拟器 |
| EWS | early warning signs(of heart attack) | （心脏病发作的）早期预警信号 |
| EWS | Extended Workplace Service (Sprint) | 扩展工作场所服务（Sprint） |
| EWS | English, Welsh and Scottish (UK railway operator) | 英语、威尔士语和苏格兰语（英国铁路运营商） |
| EWS | Engineering Work Station | 工程工作站 |
| EWS | Everyone Works Sundays | 每个人周日工作 |
| EWS | Extended Workplace Solutions | 扩展工作场所解决方案 |
| EWS | Enterprise Wide Scheduling | 企业范围计划 |
| EWS | Employee Written Software | 员工编写的软件 |
| EWS | Empty Wallet Syndrome | 空钱包综合征 |
| EWS | Electronic Warfare Supervisor/System | 电子战主管/系统 |
| EWS | Embedded Web Server | 嵌入式Web服务器 |
| EWS | Electrical Wafer Sorting (operation of electrically testing dice on a silicon wafer) | 电晶片分选（在硅片上电测试晶片的操作） |
| EWS | East Wiltshire School (Cornwall, Prince Edward Island, Canada) | 东威尔特郡学校（加拿大爱德华王子岛康沃尔） |
| EWS | Ethernet Wire Service | 以太网有线服务 |
| EWS | Executive Work Station | 执行工作站 |
| EWS | Executive World Services, Inc. (Braselton, GA) | Executive World Services，Inc.（佐治亚州布拉塞尔顿） |
| EWS | Extreme Wide Shot (video photography) | 超广角镜头（视频摄影） |
| EWS | Economically Weaker Section | 经济较弱路段 |
| EWS | Electronic Warfare Squadron | 电子战中队 |
| EWS | Executive World Services | 高管世界服务 |
| EWS | Eye Wash Station | 洗眼站 |