Protonephrocerus

{{Short description|Genus of flies}}

{{Automatic taxobox

| image =

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| display_parents = 3

| taxon = Protonephrocerus

| authority = Collin, 1931{{cite journal |last1=Collin |first1=J.E. . |title=Platypezidae, Pipunculidae |journal=Diptera of Patagonia and South Chile |date=1931 |volume=3 |pages=49–61}}

| type_species =Protonephrocerus chiloensis

| type_species_authority = Collin, 1931

}}

Protonephrocerus is a genus of flies belonging to the family Pipunculidae.