The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Bad unidentified links (1 member)
- Bad wiki links (0 members)
- Bahamas (1 member)
- Belize (1 member)
- Bots (1 member)
- Box templates (3 members)
- Broken links (11 members)
- Broken redirects (0 members)
- California (2 members)
- Cartouche links (0 members)
- Categories needing attention (7 members)
- Category management templates (3 members)
- Category namespace templates (1 member)
- Character-substitution templates (10 members)
- Check for country specific content (0 members)
- Cleanup templates (1 member)
- Client applications (10 members)
- Collapse templates (0 members)
- Colorado (1 member)
- CommonState (1 member)