The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Agent of Chaos (4 members)
- Agent of Order (4 members)
- Article management templates (4 members)
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- BlogListingPage (0 members)
- Browse (4 members)
- Candidates for deletion (0 members)
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- Category templates (4 members)
- Characters (25 members)
- Citations needed (0 members)
- Comics (20 members)
- Community (5 members)
- Content (1 member)
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- DCAU Characters (4 members)
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- Files (1 member)
- Forums (6 members)
- Galleries (2 members)
- General wiki templates (32 members)
- Help (5 members)
- Help desk (2 members)
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- Homo Magi (9 members)
- Image wiki templates (9 members)
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- Infobox templates (10 members)
- Locations (2 members)
- Organisation (0 members)
- Organization (8 members)
- Other Media Characters (2 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (1 member)
- Policy (2 members)
- Site administration (4 members)
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- Smallville Characters (1 member)
- Template documentation (62 members)
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- Videos (1 member)
- Villains (17 members)
- Volumes (3 members)
- Watercooler (2 members)