| Abbreviation | Definition |
|---|---|
| WTYY | Whytowhywhy? (route Guide for Waitewaewae, New Zealand |
| WTZ | Wild Turkey Zone |
| WU | Wind Up |
| WUA | World Umpires Association |
| WUAC | World Union Of Akita Clubs |
| WUAC | World University Archery Championship |
| WUCC | World Ultimate Club Championship |
| WUDC | Worlds Universities Debating Championship |
| WUEC | World University Equestrian Championship |
| WUFC | Woodford United Football Club |
| WUFC | Worthing United Football Club |
| WUFW | Worlds Ugliest Flywheel Wrench |
| WUGA | World University Games |
| WUGC | World Ultimate and Guts Championship |
| WUJA | Washed Up Jocks of America |
| WUJC | World University Judo Championship |
| WUKO | World Union of Karate-do Organizations |
| WUL | Wrestling UnLeashed |
| WULAC | Watsonia United Little Athletics Club |
| WULL | West University Little League |