Stenoma perirrhoa is a moth in the Depressariidae family. It was described by Meyrick in 1930. It is found in French Guiana. The wingspan is about 26 mm. The forewings are dark brown with a pale brownish-ochreous slender dorsal streak from the base, beyond the middle enlarged into a triangular blotch edged above by an ochreous-white line which is extended around the termen, slightly thickened about the apex, then along the costa, finely attenuated about three-fifths, then gradually thickened to about one-fourth and ending pointed near the base. The hindwings are fuscous with a whitish marginal line around the apexand upper part of the termen.