 Trove Scamp Seeker | Imperial City / General | 10 |
| Trove Scamp Slayer | Imperial City / General | 15 |
 True Genius | DLC Dungeons / Stone Garden | 50 |
 True Style Master | Crafting / General | 50 |
 True-Sworn Slayer | DLC Dungeons / Black Drake Villa | 10 |
| True-Sworn Style Master | DLC Dungeons / Black Drake Villa | 50 |
 Truly Legendary | Crafting / General | 50 |
 Truly Undaunted | Character / Guilds | 50 |
 Truth Reflector | Gold Road / Quests | 10 |
 Tsofeer Cavern Explorer | Murkmire / Exploration | 5 |
 Turtle Soup | Trials / Rockgrove | 10 |
 Twenty-Fifth Cut | Dark Brotherhood / Exploration | 10 |
 Twice Struck | DLC Dungeons / Lep Seclusa | 10 |
 Two Moons Pathwalker | Quests / Aldmeri Dominion | 5 |
 Two-Handed Apprentice | Character / General | 10 |
 Two-Handed Master | Character / General | 15 |
 Ulfsild's Apprentice | Character / Scribing | 10 |
 Ulfsild's Contingency | Character / Scribing | 10 |
 Unbowed | DLC Dungeons / Ruins of Mazzatun | 50 |
 Unbroken Vigor | Arenas / Vateshran Hollows | 50 |
 Unburnt and Unscathed | DLC Dungeons / Lep Seclusa | 10 |
 Unburnt Footwork | DLC Dungeons / Scrivener's Hall | 10 |
 Unchained and Undying | Arenas / Blackrose Prison | 50 |
 Unchecked Empowerment | DLC Dungeons / Unhallowed Grave | 10 |
| Undaunted Rescuer | Dungeons / City of Ash II | 10 |
| Undaunted Skill Master | Character / Guilds | 50 |
 Undaunted, Daily | Dungeons / General | 15 |
 Undead Hoarder | Character / Trophies | 10 |
 Undead Slayer | Character / General | 15 |
 Under Mora's Protection | Infinite Archive / Exploration | 15 |
 Undercroft Decorator | Housing / Decorating | 5 |
| Underminers | DLC Dungeons / Black Gem Foundry | 10 |
| Underpall Cave Explorer | Exploration / Cyrodiil | 10 |
| Underroot Explorer | Exploration / Aldmeri Dominion | 10 |
| Undertow Cavern Explorer | Blackwood / Exploration | 5 |
 Undying Endurance | DLC Dungeons / Lair of Maarselok | 50 |
 Unending Rage | DLC Dungeons / Moon Hunter Keep | 10 |
| Unexpected Spoils | Greymoor / Antiquities | 10 |
| Unexplored not Unhurried | DLC Dungeons / Naj-Caldeesh | 50 |
| Unfragmented | DLC Dungeons / Exiled Redoubt | 10 |
 Unhallowed Grave Challenger | DLC Dungeons / Unhallowed Grave | 50 |
 Unhallowed Grave Conqueror | DLC Dungeons / Unhallowed Grave | 10 |
 Unhallowed Grave Vanquisher | DLC Dungeons / Unhallowed Grave | 10 |
 Unmaker Unmaker | Deadlands / Exploration | 10 |
 Unmasker | Deadlands / Quests | 10 |
 Unorthodox Approach | Infinite Archive / Exploration | 10 |
 Unreliable Narrator | Summerset / Quests | 10 |
 Unscathed Grave | DLC Dungeons / Unhallowed Grave | 50 |
 Unshakeable Fervor | DLC Dungeons / Bedlam Veil | 50 |
 Unshaken | DLC Dungeons / Dread Cellar | 50 |