| Saint-Martial-sur-Né | |
| Commune Status: | Commune |
| Arrondissement: | Jonzac |
| Canton: | Jonzac |
| Insee: | 17364 |
| Postal Code: | 17520 |
| Mayor: | Christiane Brua[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.5831°N -0.3631°W |
| Elevation M: | 35 |
| Elevation Min M: | 12 |
| Elevation Max M: | 68 |
| Area Km2: | 11.6 |
Saint-Martial-sur-Né (in French pronounced as /sɛ̃ maʁsjal syʁ ne/, literally Saint-Martial on Né) is a commune in the Charente-Maritime department in the Nouvelle-Aquitaine region in southwestern France. The river Né, a tributary of the Charente, flows through the commune.