The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Pages with broken file links (480 members)
- Pages with script errors (3 members)
- Persona 4: Arena (41 members)
- Persona 4 Arena/Characters (22 members)
- Stubs (391 members)
- Templates imported from Wikipedia (14 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Typing-aid templates (6 members)
- Under Night In-Birth (1 member)
- Under Night In-Birth/Characters (12 members)
- Unga (20 members)
- Verification Needed (225 members)