The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Sv-0 (0 members)
- Sweden (0 members)
- Switzerland-Suisse (2 members)
- TW (0 members)
- Table examples (0 members)
- Table formatting templates (1 member)
- Taiwan-台灣 (1 member)
- Template (1 member)
- Template:Documentation (9 members)
- Template:Mbox (38 members)
- Template:Msj (2 members)
- TemplateData documentation (22 members)
- Template Management (13 members)
- Template documentation (1 member)
- Template documentation pages (225 members)
- Template namespace templates (1 member)
- Templates (68 members)
- Templates Needing Attention (4 members)
- Templates generating hAtom (1 member)
- Templates generating hCalendars (1 member)