Paphiopedilum dianthum is a species in the Paphiopedilum genus. This name is accepted name for the species in the family Orchidaceae subfamily Cypripedioideae, . It is in the subgenus Polyantha section: Mystropetalum . This species is found in China (SE. Yunnan, SW. Guizhou, SW. Guangxi) to N. Vietnam.