The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- (Diablo II) (1 member)
- 3rd party programs (2 members)
- Abbreviations (12 members)
- Abbreviations and Acronyms (6 members)
- Act Bosses (7 members)
- Act I (29 members)
- Act II (22 members)
- Act III (26 members)
- Act III levels (24 members)
- Act II levels (20 members)
- Act IV (8 members)
- Act IV levels (6 members)
- Act I (Diablo II) (1 member)
- Act I levels (27 members)
- Act V (28 members)
- Act V levels (24 members)
- Acts (11 members)
- Aldur's Watchtower (5 members)
- Alpha Diablo II Images (39 members)
- Amazon (11 members)
- Amazon Unique Items (1 member)
- Amazon images (6 members)
- Amazon items (1 member)
- Amazon skills (38 members)
- Amazon strategy guides (Diablo II) (68 members)
- Amulets (1 member)
- Amulets (Diablo II) (4 members)
- Angels (1 member)
- Animals (55 members)
- Arcanna's Tricks (9 members)
- Armor (195 members)
- Artefacts (1 member)
- Assassin (9 members)
- Assassin skills (36 members)
- Assassin strategy guides (Diablo II) (45 members)
- Barbarian (8 members)
- Barbarian skills (38 members)
- Barbarian strategy guides (Diablo II) (38 members)
- Basics (56 members)
- Battle.net (28 members)
- Belts (1 member)
- Belts (Diablo II) (5 members)
- Blizzard (2 members)
- Blizzard North (2 members)
- Blizzard images (1 member)
- Body armor (1 member)
- Body armor (Diablo II) (10 members)
- Boilerplates (1 member)
- Boots (1 member)
- Boots (Diablo II) (3 members)
- Bow and Crossbow skills (11 members)
- Bows (1 member)
- Bows (Diablo II) (1 member)
- Bugs (2 members)
- Bugs (Diablo II) (1 member)
- Bul-Kathos' Children (3 members)
- Calculations (27 members)
- Calculations:Experience Chart (0 members)
- Categorization requests (0 members)
- Champions (2 members)
- Character (5 members)
- Character statistics (4 members)
- Character statistics (Diablo I) (2 members)
- Character statistics (Diablo II) (2 members)
- Characters (0 members)
- Charms (7 members)
- Cinematics (5 members)
- Class Specific Items (41 members)
- Class items (2 members)
- Class items (Diablo II) (1 member)
- Classes (15 members)
- Classes (Diablo II) (14 members)
- Cold skills (12 members)
- Combat (5 members)
- Combat Masteries skills (11 members)
- Combat skills (Barbarian) (11 members)
- Combat skills (Paladin) (11 members)
- Community (3 members)
- Content (5 members)
- Cow King's Leathers (4 members)
- Crafted Items (9 members)
- Curses skills (11 members)
- D1 Animals (23 members)
- D1 Basics (18 members)
- D1 Demons (40 members)
- D1 Items (26 members)
- D1 Lore (1 member)
- D1 Monsters (76 members)
- D1 NPCs (1 member)
- D1 Quests (20 members)
- D1 Strategy (26 members)
- D1 SuperUniques (30 members)
- D1 Undead (15 members)
- D1 Uniques (13 members)
- D2 Guild Halls (4 members)
- D2 Hacks (19 members)
- D2 amazon strategy (0 members)
- D2 assassin strategy (0 members)
- D2 barbarian strategy (0 members)
- D2 druid strategy (0 members)