| Acronym | Definition |
|---|
| WIA | Workforce Investment Act of 1998 |
| WIA | Windows Image Acquisition (Microsoft Me) |
| WIA | Wounded In Action |
| WIA | Wet Werk en Inkomen Naar Arbeidsvermogen (Dutch) |
| WIA | Workforce Investment Area (varius locations) |
| WIA | Women in Action |
| WIA | Women in Academia (various locations) |
| WIA | Wireless Internet Access |
| WIA | Windows Image Acquisition |
| WIA | Windows Imaging Architecture |
| WIA | When in Area |
| WIA | Women in Aerospace (Alexandria, Virginia, USA) |
| WIA | Wireless Institute of Australia |
| WIA | Women in Agriculture (USDA) |
| WIA | Wireless Industry Association (est. 1986) |
| WIA | Windows Integrated Authentication |
| WIA | Workforce Innovation Act of 2000 (Florida) |
| WIA | World Iodine Association (trade association) |
| WIA | Wireless Innovation Alliance (various locations) |
| WIA | Wachovia Insurance Agency (Georgia) |
| WIA | Women Investigators Association |
| WIA | Weather-Impacted Airspace |
| WIA | Water Impact Assessment |
| WIA | Wiring Integration Assembly |