Thiotricha dissobola is a moth of the Gelechiidae family. It was described by Meyrick in 1935. It is found in Taiwan. The wingspan is 7-8 mm. The forewings are whitish, tinged grey posteriorly and with the apical area grey, including an oblique white darker-edged streak fromthe costa at one-fourth, and a longer more oblique streak from the tornus projecting beyond it in the disc. There is a white terminal streak. The hindwings are grey with a minute black apical dot.