Mystacoleucus

{{Short description|Genus of fishes}}

{{Automatic taxobox

| image = Mystacoleucus marginatus Bleeker.jpg

| image_caption = Mystacoleucus obtusirostris

| taxon = Mystacoleucus

| authority = Günther, 1868{{Cof family|family=Cyprininae|access-date=14 December 2024}}

| type_species = Capoeta padangensis

| type_species_authority = Bleeker, 1852

| synonyms =

• Acanthonotus Tickell in Day 1888
• Matsya Day, 1889

| synonyms_ref =

}}

File:Mystacoleucus padangensis Bleeker.jpg

Mystacoleucus is a genus of freshwater ray-finned fish belonging to the family Cyprinidae, the family which includes the carps, barbs, minnows and related fishes. The fishes in this genus are found in Southeast Asia.