Esomus

{{Short description|Genus of fishes}}

{{Automatic_taxobox

| image = Esomus metallicus.jpg

| image_caption = Esomus metallicus

| taxon = Esomus

| parent_authority = Tan & Armbruster, 2018

| authority = Swainson, 1839

| type_species = Esomus vittatus

| type_species_authority = Swainson, 1839

| subdivision_ranks = Species

| subdivision_ref = {{ITIS |id=163676 |taxon=Esomus |accessdate=2007-07-09}}

| subdivision = See text

}}

Esomus, or flying barbs, is a genus of freshwater ray-finned fish belonging to the family Danionidae. It is the only genus in the monotypic subfamily Esominae.{{Cof family|family=Esominae|access-date=18 February 2025}} The fishes in this genus are found in South and Mainland Southeast Asia. They are distinctive for their extremely long barbels.