Montreux-Vieux

{{short description|Commune in Grand Est, France}}

{{Infobox French commune

|name = Montreux-Vieux

|commune status = Commune

|image = Montreux-Vieux, Mairie.jpg

|caption = The town hall in Montreux-Vieux

|image coat of arms = Blason de la ville de Montreux-Vieux (68).svg

|arrondissement = Altkirch

|canton = Masevaux-Niederbruck

|intercommunality = CC Sud Alsace Largue

|INSEE = 68215

|postal code = 68210

|mayor = Jean-Claude Ringwald{{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

|coordinates = {{coord|47.6200|7.0226|format=dms|display=inline,title}}

|elevation m = 355

|elevation min m = 338

|elevation max m = 361

|area km2 = 4.14

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

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

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

}}

Montreux-Vieux ({{IPA|fr|mɔ̃tʁø vjø|-|LL-Q150 (fra)-Mathieu Kappler-Montreux-Vieux.wav}}; {{langx|de|Altmünsterol}}; {{langx|gsw-FR|Àltmìnschtràl}}) is a commune in the Haut-Rhin department and Grand Est region of north-eastern France.