| Abbreviation | Definition |
|---|---|
| UUV | Unmanned Undersea Vehicle |
| UUV | Untethered Underwater Vehicle |
| UV-A | UltraViolet A |
| UV-B | UltraViolet- Biological |
| UVL | Underwater Video Light |
| UVM | University of Vermont |
| UVQ | Urban Volume and Quality |
| UVSM | Underwater Vibration Suction Method |
| UVT | Ultra-Violet Transmittance |
| UVW | Ultra-Violet Waterworks |
| UWC | UnderWater Camera |
| UWD | Underground Water District |
| UWD | Undersea Weapon Design |
| UWGPP | UnderWater Girdle-type PowerPack |
| UWJ | Utah Water Journal |
| UWK | UnderWater Knife |
| UWM | UnderWater Mission |
| UWP | UnderWater Photography Magazine |
| UXD | Un- eXploded Device |
| UXDC | Un- eXploded Depth Charge |