| Abbreviation | Definition |
|---|---|
| WGF | Wenner- Gren Foundation |
| WGF | World Genesis Foundation |
| WGFA | Woody Guthrie Foundation and Archives |
| WGFM | Working Groups Financial Mechanisms |
| WGFT | West Galloway Fisheries Trust |
| WGHF | Winter Garden Heritage Foundation |
| WGHF | Working Group on Heart Failure |
| WGHFofESC | Working Group on Heart Failure of the European Society of Cardiology |
| WGHH | West Georgia Habitat For Humanity |
| WGHI | Women's Global Health Imperative |
| WGHS | Webster Groves Historical Society |
| WGIF | Wisconsin Green Industry Federation |
| WGKA | Worthy Grand Keeper of the Annals |
| WGKE | Worthy Grand Keeper of the Exchequer |
| WGMP | Working Group on Mine Problems (landmines) |
| WGRF | Western Grain Research Foundation |
| WGRR | Wayne's Golden Retriever Rescue and Sanctuary |
| WGRRS | Wayne's Golden Retriever Rescue and Sanctuary |
| WGSF | Wakefield Grammar School Foundation |
| WGSI | Working Group for Sustainable Industry |