| Abbreviation | Definition |
|---|---|
| UTFC | University of Tulsa Fencing Club |
| UTJ | Utah Jazz |
| UTM | Up The Mariners |
| UTS | University of Toronto Scarborough tennis centre |
| UTSC | Upper Thames Sailing Club |
| UTW | Ultimate Thunder Wrestling |
| UTZ | Urban TerroristZ |
| UVD | Upper Valley Diving |
| UVL | Universal Videogame List |
| UVN | Utah Valley Nobs |
| UVR | Ultimate Video Rumble |
| UVW | Uncensored Violent Wrestling |
| UW | Underground Wrestling |
| UWA | Underground Wrestling Association |
| UWA | United Wrestling Alliance |
| UWA | Universal Wrestling Association |
| UWBW | UnderWater Basket Weaving |
| UWC | United Wrestling Coalition |
| UWC | Utah Whitewater Club |
| UWD | Ultimate Wrestling Dynasty |