Stenoma perjecta is a moth in the Depressariidae family. It was described by Meyrick in 1931 and is found in Brazil. The wingspan is 13-14 mm. The forewings are white, suffusedly tinged or irrorated grey, the veins sometimes darker. The stigmata are fuscous or dark fuscous, the first discal (sometimes forming a spot) is traversed by a fine dark fuscous line almost reaching to the second, the others moderate, the plical obliquely beyond the first discal. There is a terminal series of fuscous dots. The hindwings are whitish or grey-whitish.