| Sainte-Marie-au-Bosc | |
| Commune Status: | Commune |
| Arrondissement: | Le Havre |
| Canton: | Octeville-sur-Mer |
| Insee: | 76609 |
| Postal Code: | 76280 |
| Mayor: | Étienne Planchon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Le Havre Seine Métropole |
| Coordinates: | 49.665°N 0.2025°W |
| Elevation M: | 100 |
| Elevation Min M: | 33 |
| Elevation Max M: | 126 |
| Area Km2: | 3.18 |
Sainte-Marie-au-Bosc (in French pronounced as /sɛ̃t maʁi o bɔsk/) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A small farming village, in the Pays de Caux, situated some 16miles north of Le Havre, at the junction of the D940 and D32 roads.