Megacraspedus tristictus is a moth of the family Gelechiidae. It was described by Walsingham in 1910. It is found in southern France and Italy.
The wingspan is about . The forewings are uniform pale ochreous, with two black spots, one in the fold and one at the end of the cell, with a stronger spot on the disc equidistant between them. The hindwings are pale grey.