Choreutis porphyratma is a moth in the Choreutidae family. It was described by Meyrick in 1930. It is found in New Guinea. The wingspan is about 14 mm. The forewings are bright chestnut-brown, the basal area orange-ochreous sprinkled with white and there are two rather irregular fasciae of white irroration, the first attenuated and forming a small white spot on the costa, the second bisected towards the costa by a line of groundcolour and forming two such spots, both in the disc suffused purplish and thinly sprinkled dark fuscous, the first antemedian, slightly excurved, preceded on the costa by a small dark purple-fuscous spot, the second from two-thirds of the costa to before the tornus, more excurved, the inner edge contorted in the disc, between these some purplish and dark fuscous s