| Abbreviation | Definition |
|---|---|
| WMF | Wrestling Marvelous Future |
| WMFA | West Michigan Fencing Academy |
| WMFA | Whalley Minor Fastball Association |
| WMFR | West Marine Fun Regatta |
| WMG | Wild Mountain Golf |
| WMG | World Masters Games |
| WMGA | Westwood Men's Golf Association |
| WMGA | Women's Metropolitan Golf Association |
| WMGG | Western Michigan Gamers Guild |
| WMGT | Western Massachusetts Go Tournament |
| WMHA | WHITBY Minor Hockey Association |
| WMHA | Windsor Minor Hockey Association |
| WMHG | Western Mass Highland Games |
| WMHL | Wisconsin Minnesota Hockey League |
| WMIL | Western Maryland Instructional League |
| WMKA | World Matsubayashi-ryu Karate-do Association |
| WML | Women's Motocross League |
| WMLA | Whitby Minor Lacrosse Association |
| WMM | White Mountain Motorsports |
| WMMA | World Mixed Martial Arts |