Aristotelia sphenomorpha is a moth of the Gelechiidae family. It was described by Meyrick in 1930. It is found in northern Vietnam. The wingspan is 9-11 mm. The forewings are fuscous speckled whitish, the costal half suffused whitish from the base to beyond the middle or two-thirds, the costa itself irregularly mottled or spotted dark fuscous. There is a blackish elongate mark on the base of the costa and a large blackish dot bebeath the fold at one-fifth. The stigmata are blackish, the plical forming a large elongate flattened triangular spot, the first discal very small, obliquely beyond the plical, the second moderate. The hindwings are grey.