| Abbreviation | Definition |
|---|---|
| WCHB | World Champion Horse Barn |
| WCHL | West Coast Hockey League |
| WCHL | Wheelchair Hockey League |
| WCHL | Women's Central Hockey League |
| WCHP | Western Carolina Hunter Pace and Trail Ride Series |
| WCIS | Wyoming County International Speedway |
| WCIW | World Championship Internet Wrestling |
| WCIW | World Class International Wrestling |
| WCJA | World Championship Jousting Association |
| WCJA | World Combat Jujitsu Association |
| WCJP | World Cup Japan Project |
| WCJT | World Center for Japanese Tennis |
| WCKA | World Class Kayak Academy |
| WCKC | West Coast Kite Championships |
| WCKC | Women's Center Karate Club |
| WCKF | Wing Chun Kung Fu |
| WCLC | West Cobb Lacrosse Club |
| WCLL | Western Collegiate Lacrosse League |
| WCLL | Women's Collegiate Lacrosse League |
| WCM | World Championship Motorsports |