Dichomeris hercogramma is a moth in the Gelechiidae family. It was described by Meyrick in 1921. It is found in Zimbabwe. The wingspan is about 13 mm. The forewings are dark violet-fuscous speckled with whitish. The discal stigmata is cloudy, dark fuscous, an additional spot midway between the first and the base. There is a whitish-ochreous transverse line at four-fifths, rather indented above the middle, somewhat expanded on the costa. The edge around the apex and termen is blackish. The hindwings are grey.