| Saint-Seurin-de-Cadourne | |
| Commune Status: | Commune |
| Arrondissement: | Lesparre-Médoc |
| Canton: | Le Nord-Médoc |
| Insee: | 33476 |
| Postal Code: | 33180 |
| Mayor: | Gérard Roi[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.2872°N -0.7878°W |
| Elevation M: | 22 |
| Elevation Min M: | 1 |
| Elevation Max M: | 23 |
| Area Km2: | 15.77 |
Saint-Seurin-de-Cadourne (in French pronounced as /sɛ̃ sœʁɛ̃ də kaduʁn/; Gascon: Sent Seurin de Cadorna) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.