Bréal-sous-Montfort

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

{{Infobox French commune

|name = Bréal-sous-Montfort

|native name = {{native name|mis|paren=no|Beréau}} (Gallo)
{{native name|br|Breal-Moñforzh}}

|commune status = Commune

|image coat of arms = Blason ville fr Bréal-sous-Montfort (Ille-et-Vilaine).svg

|image = Château du Molant 1.jpg

|caption = Château du Molant

|coordinates = {{coord|48.0486|-1.8653|format=dms|display=inline,title}}

|INSEE = 35037

|postal code = 35310

|arrondissement = Rennes

|canton = Le Rheu

|mayor = Bernard Éthoré{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}

|term = 2020–2026

|intercommunality = CC de Brocéliande

|elevation min m = 19

|elevation max m = 82

|area km2 = 33.82

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

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

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

}}

Bréal-sous-Montfort ({{IPA|fr|bʁeal su mɔ̃fɔʁ}}, literally Bréal under Montfort; Gallo: Beréau, {{Langx|br|Breal-Moñforzh}}) is a commune in the Ille-et-Vilaine department in the region in Brittany in northwestern France.

It is located in the outer southwest district of Rennes, near the Broceliand woods.