| WGA | The Writer's Guild of America 
| Others |
| WGA | Wagga Wagga, New South Wales, Australia
| Others |
| WGA | Washington Glass Association
| Others |
| WGA | Waveland Golf Association
| Others |
| WGA | Web Gallery of Art
| Others |
| WGA | Wegener's Granulomatosis Association
| Others |
| WGA | Welsh Gymnastics Association
| Others |
| WGA | Westchester Golf Association
| Others |
| WGA | Western Governors' Association
| Others |
| WGA | Western Growers Association
| Others |
| WGA | Wharton Graduate Association
| Others |
| WGA | Wheat Germ Agglutinin
| Others |
| WGA | White Giommi And Angelini
| Others |
| WGA | Whole Genome Amplification
| Others |
| WGA | Whole Genome Analysis
| Others |
| WGA | Wilderness Guides Association
| Others |
| WGA | Windows Genuine Advantage
| Others |
| WGA | Wireless Gaming Adapter
| Others |
| WGA | Wise Giving Alliance
| Others |
| WGA | Wise Guy Association
| Others |
| WGA | With Geometric Adjustments
| Others |
| WGA | Wolfsburg Grizzly Adams
| Others |
| WGA | Women Grocers of America
| Others |
| WGA | Wooly Goat Arms
| Others |
| WGA | Work Group Assistant
| Others |
| WGA | World Canadian Bureau
| Others |
| WGA | World Genealogy Associated
| Others |
| WGA | World Grape Administration
| Others |
| WGA | Writers Guild Awards
| Others |
| WGA | Writers Guild of America
| Others |