| Abbreviation | Definition |
|---|---|
| WT | World Tour |
| WT | Wrestling Territories |
| WT2 | Women's Tennis Team |
| WTA | Washington Trails Association |
| WTA | Winner Takes All |
| WTA | Women's Tennis Association |
| WTA | World Taekwondo Alliance |
| WTA | World Twirling Association |
| WTAA | Waterfod Township Athletic Association |
| WTAA | Williams Township Athletic Association |
| WTAF | Wisconsin Track & Field |
| WTB | What The Buck? |
| WTB | Wilderness Trail Bike |
| WTB | Woodbury Traveling Baseball |
| WTBA | Washington Thoroughbred Breeders Association |
| WTBA | Washington Township BaseBall |
| WTBA | Western TrailBuilders Association |
| WTBA | World Tenpin Bowling Association |
| WTBC | World Tenpin Bowling Championship |
| WTBD | West Texas Boondockers |