| Saint-Ouen-la-Rouërie | |
| Native Name: | Sant-Owen-Reoger |
| Image Coat Of Arms: | Blason ville fr Saint-Ouen-la-Rouërie (Ille-et-Vilaine).svg |
| Coordinates: | 48.4636°N -1.4397°W |
| Arrondissement: | Fougères-Vitré |
| Canton: | Antrain |
| Insee: | 35303 |
| Postal Code: | 35460 |
| Commune: | Val-Couesnon |
| Elevation M: | 83 |
| Elevation Min M: | 12 |
| Elevation Max M: | 114 |
| Area Km2: | 21.12 |
| Population: | 836 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Saint-Ouen-la-Rouërie (in French pronounced as /sɛ̃.t‿wɛ̃ la ʁwɛʁi/;) 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 47km (29miles) northeast of Rennes and 21km (13miles) 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.