Dichomeris porphyrogramma is a moth in the family Gelechiidae. It was described by Edward Meyrick in 1914.
It is found in Guyana, Peru, and Pará, Brazil.
The wingspan is . The forewings are pale ochreous, suffused with bright deep ferruginous or ferruginous brown. All veins and the costa are marked with purple-blue or violet-grey streaks. The hindwings are dark grey, lighter anteriorly.