Saint-Ouen-la-Rouërie Sant-Owen-Reoger
Part of Val-Couesnon
The town hall of Saint-Ouen-La-Rouërie
Coat of arms
Location of Saint-Ouen-la-Rouërie
Saint-Ouen-la-Rouërie Show map of France Saint-Ouen-la-Rouërie Show map of Brittany
Coordinates: 48°27′49″N 1°26′23″W / 48.4636°N 1.4397°W / 48.4636; -1.4397
Country	France
Region	Brittany
Department	Ille-et-Vilaine
Arrondissement	Fougères-Vitré
Canton	Antrain
Commune	Val-Couesnon
Area 1	21.12 km2 (8.15 sq mi)
Population  (2022)[1]	823
• Density	39.0/km2 (101/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
Postal code	35460
Elevation	12–114 m (39–374 ft) (avg. 83 m or 272 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Saint-Ouen-la-Rouërie (French pronunciation: [sɛ̃.t‿wɛ̃ la ʁwɛʁi]; Breton: Sant-Owen-Reoger) is a former commune in the Ille-et-Vilaine department in Brittany in northwestern France. On 1 January 2019, it was merged into the new commune Val-Couesnon.^[2]

The commune lies 47 km (29 mi) northeast of Rennes and 21 km (13 mi) south of Mont Saint-Michel on the border with Normandy.

Saint-Ouen's adjoining communes are Sacey and Montanel in Manche, and Coglès, Tremblay, and Antrain, in Ille-et-Vilaine.

Inhabitants of Saint-Ouen-la-Rouërie are called audoniens in French.

• The 18th-century Château de la Rouërie

• Communes of the Ille-et-Vilaine department

• Base Mérimée: Search for heritage in the commune, Ministère français de la Culture. (in French)