Castillon-Debats

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

{{Infobox French commune

|name = Castillon-Debats

|commune status = Commune

|arrondissement = Auch

|canton = Fezensac

|INSEE = 32088

|postal code = 32190

|mayor = Hubert Raffin{{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=4 May 2022|language=fr}}

|term = 2020–2026

|intercommunality = Artagnan de Fézensac

|coordinates = {{coord|43.7303|.21722|format=dms|display=inline,title}}

|elevation m = 223

|elevation min m = 117

|elevation max m = 227

|area km2 = 35.05

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

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

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

}}

Castillon-Debats is a commune in the Gers department in southwestern France.