The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Pages using duplicate arguments in template calls (13 members)
- Pages where expansion depth is exceeded (484 members)
- Pages which use = as a template (78 members)
- Pages with TemplateStyles errors (4 members)
- Pages with broken file links (56 members)
- Pages with ignored display titles (3 members)
- Pages with incorrect protection templates (4 members)
- Pages with template loops (5 members)
- Parking Lot (1 member)
- Parking Lot Road (3 members)
- Pennsylvania (3 members)
- PesachZ (1 member)
- Place (7 members)
- Place templates (0 members)
- Placeholder templates (0 members)
- Portal (3 members)
- Portal templates (2 members)
- Positioning templates (1 member)
- Potentially outdated (1 member)
- Programming typing-aid templates (1 member)