Stenoma leptogma is a moth of the Depressariidae family. It is found in Colombia and Brazil (Rio de Janeiro). The wingspan is about 29 mm. The forewings are whitish-ochreous, the veins marked with very fine light brown lines, fainter brownish-ochreous interneural lines between these. There are very small dark grey dots on both angles of the cell. The hindwings are pale whitish-grey.