| Cauville-sur-Mer | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Cauville-sur-Mer.svg |
| Arrondissement: | Le Havre |
| Canton: | Octeville-sur-Mer |
| Insee: | 76167 |
| Postal Code: | 76930 |
| Mayor: | Christian Grancher[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Le Havre Seine Métropole |
| Coordinates: | 49.5961°N 0.13°W |
| Elevation M: | 95 |
| Elevation Min M: | 0 |
| Elevation Max M: | 105 |
| Area Km2: | 11.19 |
Cauville-sur-Mer (in French pronounced as /kovil syʁ mɛʁ/, literally Cauville on Sea) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A farming village situated in the Pays de Caux, some 10miles northeast of Le Havre, at the junction of the D940 and D311 roads and on the coast of the English Channel. The cliffs here reach up to over 100 metres in height.