| Coudeville-sur-Mer | |
| Commune Status: | Commune |
| Arrondissement: | Avranches |
| Canton: | Bréhal |
| Insee: | 50143 |
| Postal Code: | 50290 |
| Mayor: | Philippe Desquesnes[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Granville, Terre et Mer |
| Coordinates: | 48.8819°N -1.5258°W |
| Elevation M: | 46 |
| Elevation Min M: | 3 |
| Elevation Max M: | 69 |
| Area Km2: | 8.7 |
| Demonym: | Coudevillais |
Coudeville-sur-Mer (in French pronounced as /kudvil syʁ mɛʁ/, literally Coudeville on Sea) is a commune in the Manche department in Normandy in north-western France.