| Saint-Genès-de-Blaye | |
| Commune Status: | Commune |
| Arrondissement: | Blaye |
| Canton: | L'Estuaire |
| Insee: | 33405 |
| Postal Code: | 33390 |
| Mayor: | Michel Sarton[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Blaye |
| Coordinates: | 45.1628°N -0.6403°W |
| Elevation M: | 12 |
| Elevation Min M: | 0 |
| Elevation Max M: | 34 |
| Area Km2: | 7.41 |
Saint-Genès-de-Blaye (in French pronounced as /sɛ̃ ʒənɛs də blaj/, literally Saint-Genès of Blaye) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.