| Name | Type | XP Level | Zone |
| Uammaethor | Elite Master Grodbog | 61 | Skumfil, The Foundations of Stone |
| Uanuiloth | Signature Spider | 59 | The Foundations of Stone, Tunzelgund |
| Udulug | Signature Orc | 41 | |
| Udunion | Nemesis | 52 | Angmar, Barad Gularan |
| Uffi | Provisioner | 0 | Thorin's Hall |
| Uffo Bracegirdle | Novice Metalsmith | 0 | Bywater, Shire |
| Uggi | Moria, The Great Delving | ||
| Uglash | Ongburz Taskmaster | 0 | Ettenmoors, Gramsfoot |
| Uidhelos | Nemesis The Gelid Dead | 51 | Ettenmoors, Steps of Gram, Coldfells |
| Uidon | Angmar, Gath Forthnir | ||
| Uiguil | Bard of Caras Galadhon | Lothlórien, Caras Galadhon | |
| Uiriel | Evendim, Tinnudir | ||
| Uirnen | Ettenmoors | ||
| Uithil | Quest NPC Herald of Rivendell | Shire, The Delving Fields | |
| Ukmash | Signature Orc | 59 | Redhorn Lodes, The Tailing Pit |
| Ulfar | Supplier | 0 | Needlehole, Rushock Bog, Shire |
| Ulfied | The Flaming Deeps | ||
| Ulfnath | Healer | Forochel, Zigilgund | |
| Ulfwald | Healer | Moria, Silvertine Lodes | |
| Ulkõ | Warden Trainer | Forochel, Jä-rannit | |
| Ulkrank | Elite | 45 | Angmar, Ologfil |
| Ulkrank's Guard | Elite | 45 | Angmar, Ologfil |
| Ulmakh | Elite | 50 | Eregion |
| Ultan Foebane | 0 | Bree-Land, Staddle | |
| Ulu | Elite Master Troll | 57 | |
| Ulugon | Elite Grodbog | 61 | Skumfil, The Foundations of Stone |
| Ulural | Signature | 18, 19, 20 | Annundir, North Downs |
| Umbral Horror | Normal The Gelid Dead | 50 | Ettenmoors, Steps of Gram, Coldfells |
| Umling | Elite | 42 | Trollshaws, Wolvenvale |
| Umnen | Signature Darkwater | Bree-land, Southern Barrow-downs | |
| Umthul | Signature | 14 | Emyn Hoedh, Ered Luin |
| Una | Angmar, Donnvail | ||
| Unagh | Nemesis | 52 | Clorhir, Evendim |
| Unbound Spirit | Elite | 49 | Angmar, Imlad Balchorth |
| Unbound Warrior | Normal The Gelid Dead | 49 | Ettenmoors, Steps of Gram, Coldfells, The Delving of Fror |
| Undergrowth Tangler | Swarm | 36 | Blooming Fens, Trollshaws |
| Unearthed Crawler | Normal Crawler | 42 | |
| Unfriendly Man | Evendim, Tyrn Fornech | ||
| Unity Tilden | Evendim, Tinnudir | ||
| Unnar | 0 | Frerin's Court, Thorin's Gate | |
| Unni | Stable-Master | 0 | Lone Land, Nain Enidh, Ost Guruth |
| Unstable Mushroom | Normal | 59 | Buzun-ghar, Durin's Way |
| Untamo | Light Armoursmith | Forochel, Great Lodge of Suri-Kyla, Suri-Kyla | |
| Unur | Nemesis Orc | 59 | 16th Hall |
| Urauth | Elite Master Troll | 54 | Silvertine Lodes, The Forgotten Treasury |
| Urbhar | Elite | 60 | Lothlórien, Eryn Laer |
| Urbhrum | Normal Orc | 55 | The Waterworks |
| Urho | Forochel, Hammastus-pesa | ||
| Urmas | Forochel, Ita-ma | ||
| Urrk | Elite | Carn Dum | |
| Urro | Elite Master Krahjarn Tribe | 51 | Carn Dum |
| Urugarth | Angmar, Cairn Dum | ||
| Urugarth Gatekeeper | Nemesis Troll | 52 | Angmar, Carn Dum |
| Uruk Battle-master | Signature Uruk | 54 | Instance: The Training Hall |
| Uruk Scout | Signature Uruk | 54 | Zelem-melek |
| Ushtum | Signature Tarkrip | 45 | Angmar, Bail Boglakh, Western Malenhad |
| Uthagan | Normal | 44 | Angmar, Donnvail |
| Utrygg | Signature | 54 | Zelem-melek |
| Uxi | Durin's Way, Manarbul | ||
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