The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Request for deletion (0 members)
- Request for global cleanup (0 members)
- Request for global merge (0 members)
- Review For Subpages (0 members)
- Review Purpose (1 member)
- Review redirects (18 members)
- Review section headings (1 member)
- Revision (30 members)
- Rhode Island (2 members)
- Road Type (11 members)
- Road Type templates (24 members)
- Road types and names (0 members)
- Runway/Taxiway (1 member)
- Sample responses (14 members)
- Script Subpage (49 members)
- Search (2 members)
- Search templates (2 members)
- Segment (4 members)
- South Carolina (1 member)
- South Dakota (1 member)