Gongromastix

{{Short description|Genus of flies}}

{{Automatic taxobox

| taxon = Gongromastix

| authority = Enderlein, 1936

| type_species=Gongromastix angustipennis

| type_species_authority=(Strobl, 1902)

}}

Gongromastix is a genus of midges in the family Cecidomyiidae. The five described species in this genus are known from the holarctic and oriental regions.{{Cite Q|Q109561625}} It was established by Günther Enderlein in 1936.