| Abbreviation | Definition |
|---|---|
| WC | Wing Chun |
| WC | World Champion |
| WC | World Class |
| WC | World Cup |
| WC2S | West Coast Collegiate Series |
| WCA | West Coast Avengers |
| WCAA | Windy City Athletic Association |
| WCAF | World Combat Arts Federation |
| WCAL | West Catholic Athletic League |
| WCAR | West Coast Adventure Racing |
| WCBB | Wesley College Baseball |
| WCBB | WheelChair BasketBall |
| WCBB | Women's College BasketBall |
| WCBB | World Class Body Building |
| WCBC | White Clay Bicycling Club |
| WCBC | World Candlepin Bowlers Congress |
| WCBF | World Children's Baseball Fair |
| WCBH | Western Canadian Bantam Hockey |
| WCBL | Woodlands Competitive Basketball League |
| WCBO | World Chess Boxing Organization |