Dichomeris collina is a moth in the Gelechiidae family. It was described by Meyrick in 1914. It is found in Peru. The wingspan is about 18 mm. The forewings are fuscous with a small spot of dark fuscous suffusion on the base of the costa. The stigmata is very small, obscure, dark fuscous, with the plical rather obliquely beyond the first discal. The hindwings are dark fuscous, becoming subhyaline towards the costa.