C-sharp Look up C sharp or C♯ in Wiktionary, the free dictionary. C-sharp, C♯, or C# may refer to: C♯ (musical note) C-sharp major, a musical scale C-sharp minor, a musical scale C# (programming language), a programming language pronounced as "C-sharp" Topics referred to by the same term This disambiguation page lists articles associated with the title C-sharp.If an internal link led you here, you may wish to change the link to point directly to the intended article.