The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Time-Sensitive Quests (24 members)
- Toggleable passive features (47 members)
- Tooltip Images (9 members)
- Tracker categories (1 member)
- Tracking categories (2 members)
- Traders (64 members)
- Transcript subpages (2 members)
- Transcripts (25 members)
- Transmutation spells (72 members)
- Trident Controller Icons (7 members)
- Trident Icons (7 members)
- Trident Images (7 members)
- Tridents (10 members)
- UI Icons (0 members)
- UI Images (6 members)
- Umberlant (1 member)
- Uncommon Items (0 members)
- Uncommon items (393 members)
- Undead (49 members)
- Underdark Quests (11 members)
- Underwear (23 members)
- Underwear Controller Icons (24 members)
- Underwear Icons (24 members)
- Underwear Images (25 members)
- Unique Spells (19 members)
- Unique actions (4 members)
- Unobtainable (25 members)
- Unobtainable content (0 members)
- Unusable (0 members)
- Unusable content (7 members)
- Unused Images (36 members)
- User Interface (1 member)
- User guides (12 members)
- Utility Templates (1 member)
- Valuables Controller Icons (48 members)
- Valuables Icons (45 members)
- Valuables Images (43 members)
- Valuables Item Icons (0 members)
- Valuables Table (0 members)
- Valuables tables (5 members)
- Vampires (3 members)
- Vendor tables (20 members)
- Very Rare Items (0 members)
- Very Rare items (138 members)
- Very rare items (34 members)
- Vulnerable to Acid (0 members)
- Vulnerable to Bludgeoning (5 members)
- Vulnerable to Cold (0 members)
- Vulnerable to Fire (3 members)
- Vulnerable to Force (0 members)