Diplomystes chilensis

{{Short description|Species of fish}}

{{Speciesbox| name = Tollo

| image =

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Reis, R. |author2=Lima, F. |date=2009 |title=Diplomystes chilensis |volume=2009 |page=e.T6665A12793135 |doi=10.2305/IUCN.UK.2009-2.RLTS.T6665A12793135.en |access-date=17 November 2021}}

| taxon = Diplomystes chilensis

| display_parents = 3

| authority = (Molina, 1782)

| synonyms = *Silurus chilensis Molina, 1782

• Arius papillosus Valenciennes, 1840
• Arius cacharioides Leybold, 1859
• Arius carcharioides Leybold, 1859
• Arius micropterus Philippi, 1866
• Arius squalus Philippi, 1866
• Arius synodon Philippi, 1866
• Arius villosus Philippi, 1866

| synonyms_ref = {{cite web | url = http://www.fishbase.se/Nomenclature/SynonymsList.php?ID=6184&SynCode=26025&GenusName=Diplomystes&SpeciesName=chilensis | title = Synonyms of Diplomystes chilensis (Molina, 1782) | accessdate = 5 August 2017 | publisher = Fishbase}}}}

Diplomystes chilensis, the tollo or tollo de agua dulce, is a species of velvet catfish endemic to Chile where it is found in the area of Valparaiso and Santiago. It grows to a total length of {{convert|23|cm|in}} and is a component of local commercial fisheries as well as being a gamefish.