| Abbreviation | Definition |
|---|---|
| TURD | Timed Universal Rearward Destroyer |
| TV | Time Vaporizer |
| TW | Time Warp |
| TWO | Thugs World Order |
| TWOP | Troll West Oil Province |
| TWT | Triwizard Tournament |
| TZ | Twilight Zone |
| TZC | The Zodiac Clique |
| TZC | Triangle Z Club |
| TZO | Tzolkin |
| UA | Ultimate Armor |
| UA | Unholy Alliance |
| UA | United America |
| UAP | Unidentified Aerial Phenomena |
| UAP | Unidentified Aerial Phenomenon |
| UC | Universal Colony |
| UCR | United Centaurian Republic |
| UE | United Empire |
| UEA | United Earth Alliance |
| UED | United Earth Directorate |