| Saint-Martin-au-Bosc | |
| Commune Status: | Commune |
| Arrondissement: | Dieppe |
| Canton: | Eu |
| Insee: | 76612 |
| Postal Code: | 76340 |
| Mayor: | Jérémy Eldert[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Aumale - Blangy-sur-Bresle |
| Coordinates: | 49.8325°N 1.6617°W |
| Elevation M: | 200 |
| Elevation Min M: | 115 |
| Elevation Max M: | 215 |
| Area Km2: | 7.2 |
Saint-Martin-au-Bosc is a commune in the Seine-Maritime department in the Normandy region in northern France.
It is a small forestry and farming village situated in the Pays de Bray, on the D26 road, some 29miles southeast of Dieppe.