Gaussan

{{Infobox French commune

|name = Gaussan

|commune status = Commune

|image coat of arms = Blason ville fr Gaussan (65).svg

|arrondissement = Tarbes

|canton = Les Coteaux

|INSEE = 65187

|postal code = 65670

|mayor = Francis Castet{{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 = Pays de Trie et du Magnoac

|coordinates = {{coord|43.2311|0.4861|format=dms|display=inline,title}}

|elevation m = 325

|elevation min m = 329

|elevation max m = 489

|area km2 = 7.72

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

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

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

}}

Gaussan ({{IPA|fr|ɡosɑ̃}}) is a commune in the Hautes-Pyrénées department in south-western France.