| Abbreviation | Definition |
|---|---|
| WUM | Wiener UmweltMeile |
| WUN | Worldwide Users Network |
| WUS | Word Underscore |
| WUSS | Western Users of SAS Software |
| WUU | WebCT Unique User |
| WUU | Wisconsin Unigraphics Users |
| WUUA | Wisconsin Unigraphics Users Association |
| WUUG | Windsor Unix Users Group |
| WUUI | WebCT Unique User Identification |
| WUX | Unix Tools under Windows |
| WUZC | Weighted Universal Zerotree Code |
| WVC | Windows Virtual Class |
| WVCL | Windows Virtual Class Library |
| WVE | Websphere Virtual Enterprise |
| WVGA | Wide Video Graphic Array |
| WWA | Wireless Web Application |
| WWAP | Wireless Web Application Platform |
| WWIS | WIPP Waste Information System |
| WWST | World Wide Swat Team |
| WWUG | WorldWide Users Group |