Castillon-en-Couserans

{{Use dmy dates|date=August 2023}}

{{short description|Commune in Occitanie, France}}

{{Expand French|topic=geo|date=December 2008|Castillon-en-Couserans}}

{{Infobox French commune

|name = Castillon-en-Couserans

|commune status = Commune

|image coat of arms = Blason ville fr Castillon-en-Couserans (Ariège).svg

|image = P1060814.JPG

|caption = The chapel in Castillon-en-Couserans

|arrondissement = Saint-Girons

|canton = Couserans Ouest

|INSEE = 09085

|postal code = 09800

|mayor = Patrick Timbart{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality = Couserans-Pyrénées

|coordinates = {{coord|42.9217|1.0333|format=dms|display=inline,title}}

|elevation m = 537

|elevation min m = 518

|elevation max m = 1320

|area km2 = 4.94

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Castillon-en-Couserans ({{IPA|fr|kastijɔ̃ ɑ̃ kuzʁɑ̃}}, literally Castillon in Couserans; {{langx|oc|Castilhon de Coserans}}) is a commune in the Ariège department in southwestern France.