| Abbreviation | Definition |
|---|---|
| WTG | Watsonville Taiko Group |
| WTG | Web Tile Game |
| WTG | World Transplant Games |
| WTGA | Women's Texas Golf Association |
| WTGF | World Transplant Games Federation |
| WTGFMC | World Transplant Games Federation Medical Committee |
| WTGS | Web Tile Game System |
| WTID | (Sheffield) Wednesday 'til I die. |
| WTID! | Wednesday Till I Die! |
| WTK | White Tiger Karate |
| WTKD | World Tae Kwon Do |
| WTKF | Welsh Traditional Karate Federation |
| WTKO | World Traditional Karate Organization |
| WTL | World Taekwondo League |
| WTL | World Tecmo League |
| WTLL | Washington Township Little League |
| WTLL | West Torrance Little League |
| WTM | World Taekwondo Masters |
| WTMF | World Tong-Il Moo-Do Federation |
| WTMYHA | Wilbraham Twin Meadows Youth Hockey Association |