Espès-Undurein

{{Expand French|topic=geo|date=December 2008|Espès-Undurein}}

{{Infobox French commune

|name = Espès-Undurein

|native name = Espeize-Ündüreine

|commune status = Commune

|image = Espès-Undurein (Pyr-Atl, Fr) mairie.JPG

|caption = The town hall of Espès-Undurein

|image coat of arms =

|arrondissement = Oloron-Sainte-Marie

|canton = Montagne Basque

|INSEE = 64214

|postal code = 64130

|mayor = Michel Ibarra{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/en/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=9 August 2021|language=fr}}

|term = 2020–2026

|intercommunality = CA Pays Basque

|coordinates = {{coord|43.2683|-0.8792|format=dms|display=inline,title}}

|elevation m = 149

|elevation min m = 105

|elevation max m = 233

|area km2 = 9.78

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

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

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

}}

Espès-Undurein ({{IPA|fr|ɛspɛs œ̃dyʁɛ̃}}; {{Langx|eu|Espeize-Ündüreine}})[https://aunamendi.eusko-ikaskuntza.eus/en/espeize-undureine/ar-27417/ ESPEIZE-ÜNDÜREINE], Auñamendi Eusko Entziklopedia {{in lang|es}} is a commune in the Pyrénées-Atlantiques department in south-western France.

It is located in the former province of Soule.