The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 2010 April Fools (1 member)
- 2010 April Fools Images (9 members)
- 2011 April Fools (4 members)
- 2011 April Fools Images (4 members)
- Act III (1 member)
- Act IV (1 member)
- Act IV Zones (0 members)
- Adrian Smith Images (2 members)
- Affix Templates (18 members)
- Affix stubs (3,087 members)
- Alek Images (4 members)
- Amazon (34 members)
- Amazon Builds (4 members)
- Amazon images (1 member)
- Amulets (2 members)
- Anarkhy Images (1 member)
- Andariel Images (1 member)
- Angel Images (1 member)
- Angels (13 members)
- Angiris Council (7 members)
- Animals (55 members)
- April Fools (2 members)
- April Fools Images (2 members)
- Arcane Damage Items (14 members)
- Archery Skills (4 members)
- Area stubs (3 members)
- Armor (20 members)
- Arreat Crater (1 member)
- Article Management Templates (1 member)
- Articles With Trivia (28 members)
- Assassin (34 members)
- Assassin Builds (4 members)
- Assassin Skill Trees (2 members)
- Assassin katars (25 members)
- Atrumentis Images (5 members)
- Audio (2 members)
- Auriel Images (3 members)
- Avatar Images (5 members)
- Axes (0 members)
- Azmodan Images (7 members)
- Baal Images (8 members)
- Barbarian (2 members)
- Barbarian Active Skills (27 members)
- Barbarian Builds (4 members)
- Barbarian Images (15 members)
- Barbarian Passive Skills (17 members)
- Barbarian Skills (48 members)
- Barbarian skills (0 members)
- Barbarians (1 member)
- Battle for Elements Images (2 members)
- Belts (1 member)
- Blacksmith Recipe Data (804 members)
- Blacksmiths (1 member)
- Blizzard Employee Images (16 members)
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- Blizzard Entertainment (10 members)
- Blizzard Images (19 members)
- Blood & Bone skills (4 members)
- Body Armor (1 member)
- Body armor (1 member)
- Book Images (16 members)
- Book of Cain Images (35 members)
- Boots (1 member)
- Bows (1 member)
- Bumble's Images (1 member)
- Calavera666 Images (19 members)
- Candidates for deletion (1,573 members)
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- Character Images (30 members)
- Characters (50 members)
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- Clans and Orders (29 members)
- Classes (27 members)
- Cleanup (0 members)
- Cold Damage Items (28 members)
- Color Templates (6 members)
- Combat Mechanics (10 members)
- Community (9 members)
- Concept art (3 members)
- Conjuration Skills (5 members)
- Conviction skills (4 members)
- Copyright templates (10 members)
- Corpses skills (4 members)
- Crossbows (1 member)
- Crusader active skills (26 members)
- Crusader passive skills (18 members)
- Crusader skills (48 members)
- Curses skills (3 members)
- Daggers (1 member)
- Data (3 members)
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- Data Version (3 members)
- Data Version 9558 (3 members)
- Data Version v.0.11.0.9359 (3 members)
- Dauroth's Images (2 members)
- Decay Skills (4 members)
- Deckard Cain Images (2 members)
- Deckard Cain images (3 members)
- Deeha'Blothri Images (12 members)
- Defensive Skills (19 members)