The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities (0 members)
- Article management templates (0 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Characters (5 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Concept art (25 members)
- Copyright templates (12 members)
- Disambiguations (0 members)
- Documentation templates (5 members)
- Faction images (0 members)
- Factions (7 members)
- Families (13 members)
- Formatting templates (21 members)
- Front page sections (3 members)
- General wiki templates (1 member)
- Hidden categories (10 members)
- Homeworlds (16 members)
- Images (13 members)
- Images needing improvement (0 members)
- Imperial databank (6 members)
- Infobox templates (1 member)
- Legal notices (3 members)
- Media (2 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Screenshots (1 member)
- Ships (2 members)
- Skills (1 member)
- Stubs (2 members)
- Template documentation (46 members)
- Templates (16 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- The Mandate (13 members)
- The Mandate Wiki (7 members)
- Traits (5 members)
- Unattributed files (0 members)
- User groups (13 members)
- User images (1 member)
- Videos (1 member)
- Wiki maintenance (15 members)
- Wiki skin images (6 members)