Saint-Perreux

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

{{Infobox French commune

|name = Saint-Perreux

|native name = Sant-Pereg

|commune status = Commune

|image = 56 Saint-Perreux église.jpg

|caption = The church of Saint-Perreux.

|image coat of arms = Blason ville fr Saint-Perreux (Morbihan).svg

|coordinates = {{coord|47.67|-2.1064|format=dms|display=inline,title}}

|INSEE = 56232

|postal code = 56350

|arrondissement = Vannes

|canton = Guer

|mayor = Lionel Jouneau{{cite web|url=https://www.morbihan.gouv.fr/content/download/45068/325032/file/Maires%20du%20Morbihan%202020%20-%20250.pdf|title=Maires du Morbihan|date=7 July 2020|publisher=Préfecture du Morbihan}}

|term = 2020–2026

|intercommunality = Redon Agglomération

|elevation min m = 1

|elevation max m = 49

|area km2 = 6.23

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

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

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

}}

Saint-Perreux ({{IPA|fr|sɛ̃ pɛʁø|-|Fra-Moi-Saint-Perreux-LL10695.wav}}; {{Langx|br|Sant-Pereg}}) is a commune in the Morbihan department of Brittany in north-western France.[https://www.insee.fr/fr/metadonnees/geographie/commune/56232-saint-perreux INSEE commune file] It was named after the Welsh monk, Saint Petroc.