| Acronym | Definition |
|---|
| WGA | Windows Genuine Advantage (Microsoft) |
| WGA | Writers Guild of America (union for screenwriters) |
| WGA | Web Gallery of Art (virtual art gallery) |
| WGA | Wise Giving Alliance (Better Business Bureau) |
| WGA | Western Governors' Association |
| WGA | Western Growers Association |
| WGA | Wheat Germ Agglutinin |
| WGA | Whole Genome Association (species study) |
| WGA | Wireless Gaming Adapter |
| WGA | Windows Genuine Advantage |
| WGA | Whole-Genome Analysis |
| WGA | Werkhervatting Gedeeltelijk Arbeidsgeschikten (Dutch) |
| WGA | Warwick Graduates' Association (UK) |
| WGA | Weight for Gestational Age (infants) |
| WGA | Week Gestational Age (infants) |
| WGA | Wisconsin Grocers Association |
| WGA | Woody Guthrie Archives (Mt. Kisco, NY) |
| WGA | Womens Golf Association |
| WGA | Wolf Group Asia (communications advisory firm; various locations) |
| WGA | Whole of Government Approach |
| WGA | Wagga-Wagga, New South Wales, Australia - Forest Hill (Airport Code) |
| WGA | Wisconsin Geocaching Association |
| WGA | World Canadian Bureau (South Park) |
| WGA | Washington Gamers Association (Washington, DC) |
| WGA | Wild Goose Association |
| WGA | Waste Gas Assembly |
| WGA | Waveguide Approach |