| WAAS | Wide Area Augmentation System | 广域差分系统 |
| WAAS | Wide-Area Application Services (Cisco) | 广域应用服务（Cisco） |
| WAAS | Wide Area Augmentation System (GPS) | 广域增强系统（GPS） |
| WAAS | WHS (Washington Headquarters Services) Allotment Accounting System | WHS（华盛顿总部服务）拨款会计系统 |
| WAAS | Wide Area Application Services | 广域应用服务 |
| WAAS | World Aircraft Accident Summary | 世界飞机事故摘要 |
| WAAS | Wide Angle Augmentation System | 广角增强系统 |
| WAAS | Warning And Attack Assessment | 警告和攻击评估 |