| Abbreviation | Definition |
|---|---|
| UVW | Uncensored Violent Wrestling |
| UW | Underground Wrestling |
| UWA | Underground Wrestling Association |
| UWA | United Wrestling Alliance |
| UWA | Universal Wrestling Association |
| UWC | United Wrestling Coalition |
| UWC | Universal Wrestling Corporation |
| UWD | Ultimate Wrestling Dynasty |
| UWE | Ultimate Wrestling Entertainment |
| UWE | Ultimate Wrestling Experience |
| UWE | Universal Wrestling Entertainment |
| UWF | Unlimited Wrestling Federation |
| UWL | Unified Wrestling League |
| UWL | United Wrestling League |
| UWN | Ultimate Wrestling Nation |
| UWX | Ultimate Wrestling eXperience |
| UXW | Universal Xtreme Wrestling |
| VBW | Vancouver Backyard Wrestling |
| VCW | Vancity Championship Wrestling |
| VCW | Vanguard Championship Wrestling |