| Saint-Gervais | |
| Commune Status: | Commune |
| Coordinates: | 49.17°N 1.7706°W |
| Arrondissement: | Pontoise |
| Canton: | Vauréal |
| Mayor: | Florence Binaux Le Clech[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 55 |
| Elevation Max M: | 158 |
| Area Km2: | 13.18 |
| Insee: | 95554 |
| Postal Code: | 95420 |
Saint-Gervais (in French pronounced as /sɛ̃ ʒɛʁvɛ/) is a commune in the Val-d'Oise department in Île-de-France in northern France.