Descriptions of five new Afrotropical species of the genus Condylostylus Bigot are provided: C. comorensis sp. nov. from Comoros, C. friedmani sp. nov. from Madagascar, C. gavryushini sp. nov. from Tanzania, C. kaplini sp. nov. from South Africa, and C. madagascarensis sp. nov. from Madagascar. The new species differ from other representatives of the genus in morphology of the male cercus and male secondary sexual characters of the legs. A revised identification key to males of the 25 known species of Afrotropical Condylostylus is provided. Condylostylus congensis Curran, 1927 syn. nov. is newly synonymized with C. beckeri Speiser, 1920.
Keywords: Diptera, Dolichopodidae, Sciapodinae, Condylostylus, Madagascar, South Africa, Tanzania, Afrotropical, new species, new synonymy.