Dichomeris dentata is a moth in the Gelechiidae family. It was described by Li, Zhen and Mey in 2013. It is found in Malawi. The wingspan is about 17 mm. The forewings are greyish brown, with dense dark brown scales distally and a dark brown fascia from the upper middle of the cell to the middle of the fold, becoming a rounded spot at the fold. The hindwings are grey.