| Saint-Vaast-en-Chaussée | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Vaast-en-Chaussée 80.svg |
| Arrondissement: | Amiens |
| Canton: | Flixecourt |
| Insee: | 80722 |
| Postal Code: | 80310 |
| Mayor: | Marc Vignolle[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Amiens Métropole |
| Coordinates: | 49.9708°N 2.2064°W |
| Elevation M: | 52 |
| Elevation Min M: | 20 |
| Elevation Max M: | 95 |
| Area Km2: | 4.72 |
Saint-Vaast-en-Chaussée (Saint-Vo-in-Cœuchie) is a commune in the Somme department in Hauts-de-France in northern France.
The commune is situated 11km (07miles) northwest of Amiens, on the D12 road, which follows the Roman road called the Chaussée Brunehaut.