| Saint-Ouen-sur-Morin | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Ouen-sur-Morin (Seine-et-Marne).svg |
| Coordinates: | 48.9056°N 3.1922°W |
| Insee: | 77429 |
| Postal Code: | 77750 |
| Arrondissement: | Provins |
| Canton: | Coulommiers |
| Mayor: | Nathalie Vibert[1] |
| Term: | 2023 - 2026 |
| Elevation Min M: | 61 |
| Elevation Max M: | 187 |
| Area Km2: | 3.79 |
Saint-Ouen-sur-Morin (in French pronounced as /sɛ̃.t‿wɛ̃ syʁ mɔʁɛ̃/, literally Saint-Ouen on Morin) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
Inhabitants of Saint-Ouen-sur-Morin are called Andonniens.