| WAS | ARRL Worked All States Award 
| Others |
| Was | Past tense of be
| Others |
| WAS | ProComm Script file source code
| Others |
| WAS | Wai Service
| Others |
| WAS | Wait A Second
| Others |
| WAS | Wait And See
| Others |
| WAS | War of Austrian Succession
| Others |
| WAS | Wartime Automated System
| Others |
| WAS | Washington Academy of Sciences
| Others |
| WAS | Washington Auto Show
| Others |
| WAS | Washington DC airport
| Others |
| WAS | Washington Redskins
| Others |
| WAS | Washington, D. C., area airports USA
| Others |
| WAS | Washington, DC, sports team
| Others |
| WAS | Washo
| Others |
| WAS | Water Activated Sludge
| Others |
| WAS | Waynesburg Southern
| Others |
| WAS | Wearne's Air Service (1st Malaysian Airlines in 1937)
| Others |
| WAS | Web Accessibility Specialist
| Others |
| WAS | Web Administration Service
| Others |
| WAS | Web Album Service
| Others |
| WAS | Web Application Scanning
| Others |
| WAS | Web Application Server
| Others |
| WAS | Web Application Stress Tool
| Others |
| WAS | Web Attached Storage
| Others |
| WAS | Webimagesgroupsnewsfrooglemore Advanced Searchpreferences
| Others |
| WAS | Websphere Access Services
| Others |
| WAS | WebSphere Application Server
| Others |
| WAS | Werewolf Appreciation Society
| Others |
| WAS | Western All Stars Super Late Models
| Others |
| WAS | Wide Area Surveillance
| Others |
| WAS | Wilkinson Aircraft Services
| Others |
| WAS | Windows Activation Service
| Others |
| WAS | Windows Application Server
| Others |
| WAS | Windows Application Software
| Others |
| WAS | Wiskott-Aldrich Sndrome
| Others |
| WAS | Wiskott-Aldrich Syndrome
| Others |
| WAS | With Aliases
| Others |
| WAS | Work And Seafood
| Others |
| WAS | Worked All States
| Others |
| WAS | Workflow Automation System
| Others |
| WAS | World Aquaculture Society
| Others |
| WAS | World Auto Steel
| Others |
| WAS | World Automotive Summit
| Others |