Vern-sur-Seiche

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

{{Infobox French commune

|name = Vern-sur-Seiche

|commune status = Commune

|native name = {{native name|mis|paren=no|Vèrn}} (Gallo)
{{native name|br|Gwern-ar-Sec'h}}

|image = Place du Marché.jpg

|caption = Market place

|coordinates = {{coord|48.0456|-1.5989|format=dms|display=inline,title}}

|INSEE = 35352

|postal code = 35770

|arrondissement = Rennes

|canton = Janzé

|mayor = Stéphane Labbé{{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 = Rennes Métropole

|elevation min m = 21

|elevation max m = 72

|area km2 = 19.70

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

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

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

}}

Vern-sur-Seiche ({{IPA|fr|vɛʁn syʁ sɛʃ}}; {{Langx|br|Gwern-ar-Sec'h}}; Gallo: Vèrn) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.