Perumytilus

{{Short description|Genus of bivalves}}

{{Speciesbox

| image = Naturalis Biodiversity Center - ZMA.MOLL.412859 - Perumytilus purpuratus (Lamarck, 1819) - Mytilidae - Mollusc shell.jpeg

| image_caption = Perumytilus purpuratus

| genus = Perumytilus

| parent_authority = Olsson, 1961

| species = purpuratus

| authority = (Lamarck, 1819)

}}

Perumytilus is a monotypic genus of bivalves belonging to the family Mytilidae. The only species is Perumytilus purpuratus.{{cite web |title=Perumytilus Olsson, 1961 |url=https://www.gbif.org/species/4593452 |website=www.gbif.org |access-date=20 October 2021 |language=en}}

The species is found in Southern America.