The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- American Gay Wrestling (16 members)
- AniMe (7 members)
- Audio templates (1 member)
- BGM for Philosophy (2 members)
- Bear Series (3 members)
- Characters (139 members)
- Crab(蟹)-shinnippori (1 member)
- Deceased (18 members)
- Disambiguation pages (3 members)
- Editnotice templates (2 members)
- Forest Fairy (5 members)
- Gachimuchi (1 member)
- Gachimuchi Pants Wrestling (319 members)
- Hidden categories (1 member)
- Infobox templates (1 member)
- Internationalization templates (1 member)
- Listen template using plain parameter (1 member)
- Lists (11 members)
- Locations (8 members)
- Lua-based infobox templates (1 member)
- Lua-based templates (4 members)
- Main Characters (38 members)
- Memes (2 members)
- Microformat (uF) message templates (1 member)
- Muchimuchi SUMO Series (10 members)
- Non-Gachimuchi Pants Wrestling characters (2 members)
- Official Films (87 members)
- Pages which use infobox templates with ignored data cells (2 members)
- Pages with broken file links (46 members)
- Pages with ignored display titles (22 members)
- Pages with reference errors (2 members)
- Pages with script errors (3 members)
- Pages with template loops (3 members)
- Philosophy (24 members)
- Production companies (8 members)
- Sanshin of Fairy Philosophy (8 members)
- Sidebars with styles needing conversion (1 member)
- Soramimi (19 members)
- Soramimi - Subpage (17 members)
- Template documentation pages (2 members)
- Templates generating hAudio microformats (1 member)
- Templates generating microformats (1 member)
- Templates that add a tracking category (2 members)
- Templates using TemplateStyles (1 member)
- Touhou Ankake Chaahan (10 members)
- Websites (3 members)
- Widgets (2 members)
- Wikipedia editnotices (2 members)
- Wikipedia metatemplates (1 member)
- Wrestling Series (342 members)