| Saint-Eustache-la-Forêt | |
| Commune Status: | Commune |
| Arrondissement: | Le Havre |
| Canton: | Bolbec |
| Insee: | 76576 |
| Postal Code: | 76210 |
| Intercommunality: | Caux Seine Agglo |
| Coordinates: | 49.5525°N 0.4517°W |
| Elevation M: | 85 |
| Elevation Min M: | 40 |
| Elevation Max M: | 136 |
| Area Km2: | 6.59 |
Saint-Eustache-la-Forêt is a commune in the Seine-Maritime department in the Normandy region in northern France.
A farming village in the Pays de Caux, situated some 13miles east of Le Havre, at the junction of the D9015 and D910 roads, in the valley of the Bolbec river.