The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Articles using infobox templates with no data rows (1 member)
- Articles with hCards (1 member)
- Biography template using pronunciation (1 member)
- Biography with signature (1 member)
- Documentation subpages without corresponding pages (1 member)
- Infobox templates (1 member)
- Lua-based templates (1 member)
- Pages using div col with small parameter (1 member)
- Pages using infobox templates with ignored data cells (1 member)
- Pages with broken file links (2 members)
- Pages with script errors (2 members)
- Sidebars with styles needing conversion (1 member)
- Templates based on the Infobox Lua module (1 member)
- Templates generating microformats (1 member)
- Templates that add a tracking category (1 member)
- Templates using TemplateData (1 member)
- Wikipedia metatemplates (1 member)