Gelechia mundata is a moth of the Gelechiidae family. It is found in North America, where it has been recorded from New Mexico. The wingspan is about 14 mm. The forewings are bluish-grey sprinkled dark grey and with a small blackish spot on the base of the costa, and a black linear subcostal dot beyond this. The first discal and plical stigmata form indistinct blackish-grey elongate marks, nearly opposite and a few scattered black scales towards the costa posteriorly. The hindwings are pale bluish-grey.