Labeobarbus longissimus

{{Short description|Species of fish}}

{{Speciesbox

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite journal | author = Getahun, A. | year = 2010 | title = Labeobarbus longissimus | journal = The IUCN Red List of Threatened Species | page = 2010: e.T182657A7936217 | doi = 10.2305/IUCN.UK.2010-3.RLTS.T182657A7936217.en| doi-access = free }}

| taxon = Labeobarbus longissimus

| display_parents = 3

| authority = (Nagelkerke & Sibbing, 1997){{FishBase|Labeobarbus|longissimus}}

| synonyms = *Barbus longissimus Nagelkerke & Sibbing, 1997

}}

Labeobarbus longissimus is a species of ray-finned fish in the genus Labeobarbus which is endemic to Lake Tana in Ethiopia.