Stenoma sommerella is a moth in the Depressariidae family. It was described by Zeller in 1877. It is found in Central America and Brazil. The wingspan is 17-21 mm. The forewings are lilac-whitish, sometimes partially irrorated pale greyish and with three ill-defined irregular rather oblique-transverse somewhat curved brown lines rising from irregular triangular blackish-grey spots beneath the yellowish-white costal edge. There is a dark grey marginalline or series of blackish-grey dots around the apical part of the costa and termen. The hindwings are whitish.