| Abbreviation | Definition |
|---|---|
| WL | World Learning |
| WLA | White Lung Association |
| WLCI | WildLife Care International |
| WLCT | Waterloo Land Conservancy Trust |
| WLCT | Wigan Leisure & Culture Trust |
| WLCU | World Lebanese Cultural Union |
| WLEF | World Leadership Education Foundation |
| WLF | Wisconsin Landscape Federation (now Wisconsin Green Industry Federation) |
| WLF | Wisconsin Lions Foundation |
| WLFA | Wildlife Legislative Fund of America |
| WLFA | Wildlife Legislative Fund of America (now called U.S. Sportsmen's Alliance) |
| WLFD | World League for Freedom & Democracy |
| WLHC | Whitmore Lake Health Clinic |
| WLHR | West London-Harley Riders |
| WLHS | Wisconsin Labor History Society |
| WLI | Washington Light Infantry of Charleston, South Carolina |
| WLI | Water Loss Institute |
| WLI | Wilderness Leadership Institute |
| WLID | World Learning for International Development |
| WLO | World Lebanese Organization |