The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities Navibox Templates (2 members)
- Arabasta Saga Antagonists (2 members)
- Arc Navibox Templates (1 member)
- Articles with short description (1 member)
- Baroque Works (2 members)
- Canon NaviTable Templates (1 member)
- Character Tab Templates (2 members)
- Chemical Weapon Users (2 members)
- Citizen Navibox Templates (1 member)
- Cross Guild Officers (2 members)
- Dagger Users (2 members)
- Disambiguation and redirection templates (1 member)
- External link templates (1 member)
- Featured Articles (2 members)
- Fighting Styles Tab Templates (1 member)
- Formatting templates/nl (1 member)
- Former Level 6 Prisoners (2 members)
- General Templates (7 members)
- Group Navibox Templates (3 members)
- Hatnote templates (1 member)
- Helden (3 members)
- Humans (4 members)
- Infobox templates (2 members)
- Information Templates (4 members)
- Internationalization templates (3 members)
- Internationalization templates/en (1 member)
- Internationalization templates/nl (1 member)
- Karakters (3 members)
- 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 (4 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 (170 members)
- Pages with reference errors (2 members)
- Pages with script errors (15 members)
- Pages with too many expensive parser function calls (2 members)
- Pirate Admirals (2 members)