| UnderConstruction01 | 3 | 401480 |
| underconstruction02 | 3 | 401951 |
| Underground Water Source Focus | 8 | 182187 |
| Underlight Mines | 5 | 181947 |
| Underpale Crystal | 5 | 233656 |
| Underpale Crystal | 5 | 233657 |
| Undervator | 11 | 20649 |
| Undervator | 11 | 20652 |
| Undervator | 11 | 20655 |
| Underwater Cave Medium | 14 | 19218 |
| Underworld Power Fragment | 5 | 190736 |
| Underworld Power Fragment | 5 | 190737 |
| Underworld Power Fragment | 5 | 190738 |
| Underworld Power Fragment | 3 | 190717 |
| Underworld Power Fragment | 3 | 190718 |
| Underworld Power Fragment | 3 | 190719 |
| Undisturbed Soil | 5 | 213444 |
| Unearthed antiquities | 3 | 267768 |
| Unearthed antiquities | 3 | 267769 |
| Unearthed antiquities | 3 | 267770 |
| Unexploded Mortar Shell | 3 | 205823 |
| Unfinished Keg | 5 | 216490 |
| Unfinished Mace | 5 | 35758 |
| Unfinished Painting | 3 | 177287 |
| Unfinished potion | 5 | 232995 |
| Unfinished Spellwork | 5 | 247044 |
| Unfinished Vrykul Tablet | 5 | 244908 |
| Unfired Plate Gauntlets | 3 | 176089 |
| Unforged Rune Covered Breastplate | 10 | 176086 |
| Unforged Runic Breastplate | 3 | 175970 |
| Unforged Seal of Ascension | 8 | 175321 |
| Unfortunate Snobold | 3 | 191600 |
| Unfortunate Snobold | 3 | 191601 |
| Unfortunate Snobold | 3 | 191602 |
| Unfortunate Snobold | 3 | 191603 |
| Unfortunate Snobold | 3 | 191604 |
| Unga Brewing Cauldron | 5 | 212249 |
| Unga Keg | 10 | 212248 |
| Unga Keg | 10 | 212250 |
| Unga Keg | 10 | 212251 |
| Unga Keg | 10 | 212252 |
| Unga Mug | 10 | 212253 |
| Unga Mug | 10 | 212254 |
| Unga Mug | 10 | 212255 |
| Unga Mug | 10 | 212256 |
| UngoroGeyser02 | 3 | 401684 |
| UngoroRock06 | 3 | 401172 |
| Unguarded supply of pandaren trophies | 3 | 233030 |
| Unguarded supply of pandaren trophies | 3 | 232165 |
| Unguarded supply of pandaren trophies | 3 | 232166 |
| Unguarded Thunder Ale Barrel | 2 | 270 |
| Ungüento de la Legión | 10 | 276481 |
| Unhealthy-Looking Pumpkin | 22 | 205052 |
| Unidad de poder Arcano | 3 | 254023 |
| Unidentified Remains | 5 | 193987 |
| unk old | 10 | 21653 |
| unk old | 10 | 21654 |
| unk old | 10 | 21655 |
| unk old | 10 | 21656 |
| Unknown Crusader\'s Diary | 9 | 191653 |
| Unlit torch | 5 | 267626 |
| Unlit Torch | 5 | 250294 |
| Unlocked Chest | 3 | 187023 |
| Unlocked Stockpile of Pandaren Spoils | 3 | 222750 |
| Unmarked Coffin | 10 | 202412 |
| Unmarked Grave | 5 | 189971 |
| Unmentionables | 10 | 201297 |
| Unmentionables | 10 | 201299 |
| Unmentionables | 10 | 201933 |
| Unmentionables | 10 | 201936 |
| Unopened Crate | 3 | 181620 |
| Unpowered Greater Portal | 22 | 245933 |
| Unquenchable | 5 | 214293 |
| Unrefined Elementium | 10 | 202797 |
| Unsecured Vent | 1 | 209928 |
| Unstable Explosives | 10 | 190590 |
| Unstable Explosives | 10 | 190641 |
| Unstable Mana Crystal Crate | 3 | 180600 |
| Unstable Rift Crystal | 2 | 180601 |
| Unstable Solenoid | 2 | 209578 |
