| Abbreviation | Definition |
|---|---|
| WTN | Workout & Training in Nottinghamshire |
| WTN | World Trails Network |
| WTPA | Wushu Tai Chi Practitioners Australia |
| WTPE | Where The Pavement Ends |
| WTPL | West Texas Premier League |
| WTR | West Texas Raceway |
| WTR | West Texas Regional |
| WTR | World Tennis Ratings |
| WTRA | Washington Trail Riders Association |
| WTRA | Women's Team Roping Association |
| WTRP | West Texas Raceway Park |
| WTRR | Willi Territorial Rough Riders |
| WTSD | World Tang Soo Do Association |
| WTSDA | World Tang Soo Do Association |
| WTSL | Washington Tuesday Subbuteo League |
| WTSW | Women's Team Senior Wrestling |
| WTT | World Team Tennis |
| WTTA | World Table Tennis Association |
| WTTF | World Table Tennis Federation |
| WTTG | Wilhelmsburger Tischt Tennis Gemeinschaft |