Cotylopus

{{Short description|Genus of fishes}}

File:Cotylopus acutipinnis.jpg

{{Automatic taxobox

| taxon = Cotylopus

| authority = Guichenot, 1863

| type_species = Cotylopus acutipinnis

| type_species_authority = Guichenot, 1863

}}

Cotylopus is a genus of gobies native to streams and rivers in Mauritius, Réunion, Mayotte, and Anjouan in the Comoros, which are all islands in the Western Indian Ocean off Africa.