The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 100Kanojo Wiki (1 member)
- Aijou Rentarou's Girlfriends (15 members)
- Albums (1 member)
- Article management templates (1 member)
- Article stubs (82 members)
- Blog posts (0 members)
- Books (5 members)
- Browse (9 members)
- Candidates for deletion (0 members)
- Chapters (72 members)
- Chapters by Volume (5 members)
- Characters (24 members)
- Characters by Gender (2 members)
- Disambiguations (0 members)
- Dot Lists (1 member)
- Female Characters (16 members)
- General Templates (1 member)
- Help (0 members)
- Images (3 members)
- Locations (2 members)
- Main Character (1 member)
- Main Page Templates (1 member)
- Main Page templates (2 members)
- Male Characters (2 members)
- Manga (7 members)
- Media (1 member)
- Navboxes (3 members)
- Pages using ISBN magic links (1 member)
- Pages with broken file links (2 members)
- Pages with reference errors (1 member)
- Pages with script errors (2 members)
- Students (8 members)
- Template documentation (37 members)
- Templates (55 members)
- Templates/Context-link (6 members)
- Templates/Homepage (5 members)
- Templates/Infobox (8 members)
- Templates/Navbox (1 member)
- Templates/Notice (1 member)
- Templates/Portals (1 member)
- Templates/Quote (2 members)
- Volume 1 Chapters (5 members)
- Volume 2 Chapters (9 members)
- Volume 3 Chapters (9 members)
- Volume 4 Chapters (9 members)
- Volume 5 Chapters (9 members)
- Volume Covers (1 member)
- Volumes (4 members)