Trichomycterus laucaensis

{{Short description|Species of fish}}

{{Speciesbox

| status = LR/nt

| status_system = IUCN2.3

| taxon = Trichomycterus laucaensis

| authority = Arratia, 1983

| synonyms =

|status_ref={{cite iucn |author=World Conservation Monitoring Centre |date=1996 |title=Trichomycterus laucaensis |volume=1996 |page=e.T22123A9361272 |doi=10.2305/IUCN.UK.1996.RLTS.T22123A9361272.en |access-date=14 November 2021}}

}}

Trichomycterus laucaensis is a species of pencil catfish endemic to Chile where it is found in the Lauca River basin. This species grows to a length of {{convert|14.1|cm|in}}.