| Abbreviation | Definition |
|---|---|
| UFP | Un-Funded Program |
| UFP | Up The Flag Pole |
| UFPM | Unit Fitness Program Manager |
| UFR | Unfunded Requirement |
| UFR | Un-Funded Requirement |
| UFS | Unified File System |
| UFT | Undergraduate Flight Training |
| UG | Under Grade |
| UG | Under Ground |
| UG | Unit Generator |
| UG | Un-named General |
| UGA | Ungoverned Area |
| UGD | Underground |
| UGD | Unit Gawat Darurat |
| UGF | Under-Ground Facility |
| UGH | UnderGround Headquarters |
| UGIRH | Urban Generic Information Requirements Handbook |
| UGL | Underslung Grenade Launcher |
| UGLY | Union Generals Living Yesterday |
| UGM | Universal Guided Munitions |