| Abbreviation | Definition |
|---|---|
| WILA | Western Idaho Llama Association |
| WIT | Winnebago Itaska Travelers |
| WJH | Winners Joyful Haters |
| WK | Weiss Kreuz |
| WKKK | Women of the Ku Klux Klan |
| WLLC | We Love Leo Club |
| WLMC | Wasatch Leathermen Motorcycle Club |
| WLS | We Love Skateboarding |
| WLWI | When Love Walks In |
| WMFC | Wilmington Model Flying Club |
| WMGS | Western Michigan Genealogical Society |
| WMMC | Wisconsin Mopar Muscle Club |
| WMPS | Western Maryland Paranormal Society |
| WMQG | West Michigan Quilters' Guild |
| WMQG | Wichita Mountains Quilt Guild |
| WMRC | Windsor Modular Railroad Club |
| WMRR | Worcester Model Railroaders |
| WMWA | World Miniature Warbird Association |
| WMWG | West Midlands Walking Group |
| WNAS | West Norfolk Aviation Society |