A category used in some classification systems for various basidiomycetous fungi including e.g. mushrooms and puffballs which are usually placed in the classes Gasteromycetes and Hymenomycetes.

The class Homobasidiomycetes is a taxonomic division in the subdivision Hymenomycotina of the division Basidiomycota (in the Kingdom Fungi). Included here are the so-called "true" mushrooms and a common name for this group of some 16,000 described species is the mushroom-forming fungi (53% of the described basidiomycetes).