The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Karakters (1 member)
- Languages pages (3 members)
- Languages pages without translations (3 members)
- Location Navibox Templates (2 members)
- Logia Devil Fruit Users (2 members)
- Lua-based templates (4 members)
- Male Characters (2 members)
- Mbox templates (1 member)
- Module documentation pages (4 members)
- Module documentation pages/en (1 member)
- Modules (2 members)
- Modules for general use (3 members)
- Modules subject to page protection (1 member)
- Navibox Templates (1 member)
- NaviTable Templates (0 members)
- Non-Canon Group Navibox Templates (1 member)
- Occupations Navibox Templates (1 member)
- One Piece World Navibox Templates (2 members)
- Pages with broken file links (168 members)
- Pages with reference errors (2 members)
- Pages with script errors (16 members)
- Pages with too many expensive parser function calls (2 members)
- Pirate Admirals (2 members)
- Pirate Navibox Templates (4 members)
- Player Characters (1 member)
- Prison Escape Team (2 members)
- Races and Tribes Navibox Templates (2 members)
- Rafael (1 member)
- Rainbase Residents (2 members)
- Seven Warlords of the Sea (2 members)
- Shortcut templates (1 member)
- Story Arcs (2 members)
- Tab Templates (1 member)
- TemplateData documentation (4 members)
- Template documentation (2 members)
- Template documentation/nl (1 member)
- Template documentation pages (6 members)
- Templates (2 members)
- Templates/en (2 members)
- Templates/nl (1 member)
- Templates that add a tracking category (1 member)
- Templates that generate short descriptions (1 member)
- TemplateStyles stylesheets with errors (1 member)
- Templates using TemplateData (3 members)
- Templates using TemplateStyles (1 member)
- Templates Without Documentation (128 members)
- Trianglini (1 member)
- Utility templates (1 member)
- Wikidata templates (1 member)
- Workaround templates (2 members)