The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Coordinates not on Wikidata (1 member)
- Counterculture of the 1960s (1 member)
- Cross-reference templates (1 member)
- Date mathematics templates (2 members)
- Documentation assistance templates (4 members)
- Documentation see also templates (3 members)
- Documentation shared content templates (1 member)
- Documentation templates (1 member)
- Editnotice templates (2 members)
- Educational institutions established in 1909 (1 member)
- Educational institutions established in 1973 (1 member)
- Embeddable templates (1 member)
- Experimental templates (1 member)
- External link templates (1 member)
- External link templates using Wikidata (1 member)
- Featured articles (1 member)
- Greenwich Village (1 member)
- Hatnote templates (1 member)
- High schools in Boone County, Missouri (1 member)
- High schools in Columbia, Missouri (1 member)
- History of LGBT civil rights in the United States (1 member)
- History of gay men in the United States (1 member)
- If-then-else templates (1 member)
- Inductees of the Chicago LGBT Hall of Fame (1 member)
- Infobox templates (2 members)
- Infobox templates with module parameter (1 member)
- Internal category-link templates (1 member)
- Internal link templates (1 member)
- Internationalization subtemplates (1 member)
- Internationalization templates (1 member)
- Interwiki category linking templates (1 member)
- Interwiki link templates (1 member)
- Interwiki link templates - inline (1 member)
- Intricate templates (1 member)
- Jesuit high schools in the United States (1 member)
- LGBT-related biography stubs (1 member)
- LGBT-related riots (1 member)
- LGBT-related scandals (1 member)
- LGBT civil rights demonstrations (1 member)
- LGBT culture in Chicago (1 member)
- LGBT culture templates (1 member)
- LGBT history in Illinois (1 member)
- LGBT history in New York City (1 member)
- LGBT history templates (2 members)
- LGBT museums and archives (1 member)
- LGBT rights templates (1 member)
- LGBT stub templates (1 member)
- Layout templates (2 members)
- Leather museums (1 member)
- Leather subculture (3 members)