| Saint-Jean-du-Cardonnay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason_ville_fr_Saint-Jean-du-Cardonnay_(Seine-Maritime).svg |
| Arrondissement: | Rouen |
| Canton: | Notre-Dame-de-Bondeville |
| Insee: | 76594 |
| Postal Code: | 76150 |
| Mayor: | Jacques Niel[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.5069°N 1.01°W |
| Elevation M: | 130 |
| Elevation Min M: | 55 |
| Elevation Max M: | 146 |
| Area Km2: | 7.52 |
Saint-Jean-du-Cardonnay (in French pronounced as /sɛ̃ ʒɑ̃ dy kaʁdɔnɛ/) is a commune in the Seine-Maritime department in the Normandy region in northern France.
A village of forestry and farming situated in the Roumois, just 7miles northwest of the centre of Rouen at the junction of the D90, D267 with the D6015 road.