| WIA | Walk In Access 
| Others |
| WIA | Wallcovering Installers Assocation
| Others |
| WIA | Wallcovering Installers Association
| Others |
| WIA | Wasatch International Adoptions
| Others |
| WIA | Washington International Academy
| Others |
| WIA | Wearable Internet Appliance
| Others |
| WIA | Weather-Impacted Airspace
| Others |
| WIA | Webheads In Action
| Others |
| WIA | Wellington International Airport (airport code is WLG)
| Others |
| WIA | Where It's At
| Others |
| WIA | White Integral Aero
| Others |
| WIA | Who I Am
| Others |
| WIA | Win It All
| Others |
| WIA | Windows Image Acquasition
| Others |
| WIA | Windows Image Acquisition
| Others |
| WIA | Windows Image Aquisition
| Others |
| WIA | Windows Images Acquisition
| Others |
| WIA | Windows Imaging Acquisition
| Others |
| WIA | Windows Imaging Architecture
| Others |
| WIA | Windows Internet Acquisition
| Others |
| WIA | Windsor Islamic Association
| Others |
| WIA | Wireless Infrastructure Association
| Others |
| WIA | Wireless Institute of Australia
| Others |
| WIA | Wireless Internet Access
| Others |
| WIA | Wisconsin Insurance Alliance
| Others |
| WIA | With Instructions Already
| Others |
| WIA | Women In Action
| Others |
| WIA | Women in Aerospace
| Others |
| WIA | Women In Africa
| Others |
| WIA | Women in Agriculture
| Others |
| WIA | Women in Animation
| Others |
| WIA | Women In Architecture
| Others |
| WIA | Women In Automotive
| Others |
| WIA | Women in Aviation
| Others |
| WIA | Women's Indian Association
| Others |
| WIA | Workforce Initiative Assistance
| Others |
| WIA | Workforce Investment Act
| Others |
| WIA | World Iodine Association
| Others |
| WIA | Worldwide Integrated Assessment
| Others |
| WIA | Wounded In Action
| Others |
| WIA | Wyoming Infrastructure Authority
| Others |