| Saint-Quentin-en-Tourmont | |
| Commune Status: | Commune |
| Arrondissement: | Abbeville |
| Canton: | Rue |
| Intercommunality: | CC Ponthieu-Marquenterre |
| Insee: | 80713 |
| Postal Code: | 80120 |
| Mayor: | Francis Gouesbier[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 50.2856°N 1.5903°W |
| Elevation M: | 4 |
| Elevation Min M: | 2 |
| Elevation Max M: | 36 |
| Area Km2: | 32.89 |
Saint-Quentin-en-Tourmont (pronounced as /fr/; pcd|Saint-Quentin-in-Tourmont) is a commune in the Somme department in Hauts-de-France, on the French coast, in northern France.
The communes is situated some 15miles northwest of Abbeville, on the D204 road, with part of the Marquenterre national park within the commune.