| Saint-Martial-de-Valette | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Martial-de-Valette (Dordogne).svg |
| Arrondissement: | Nontron |
| Canton: | Périgord Vert Nontronnais |
| Insee: | 24451 |
| Postal Code: | 24300 |
| Mayor: | Alain Lagorce[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.5172°N 0.6508°W |
| Elevation Min M: | 135 |
| Elevation Max M: | 266 |
| Area Km2: | 15.71 |
Saint-Martial-de-Valette (pronounced as /fr/; oc|Sent Marçau de Valeta) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.