Setihercostomus is a genus of flies in the family Dolichopodidae, known from China, Taiwan, Russia and Tanzania.
The generic name is derived from the Greek prefix seti- and the generic name Hercostomus.
There are currently five species in the genus:
Setihercostomus zonalis <small>(Yang, Yang & Li, 1998)</small> is a synonym of S. wuyangensis <small>(Wei, 1997)</small>.