| Saint-Mathieu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Mathieu 87.svg |
| Coordinates: | 45.7075°N 0.7594°W |
| Insee: | 87168 |
| Postal Code: | 87440 |
| Arrondissement: | Rochechouart |
| Canton: | Rochechouart |
| Intercommunality: | CC Ouest Limousin |
| Mayor: | Agnès Varachaud[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 225 |
| Elevation Max M: | 435 |
| Area Km2: | 40.39 |
Saint-Mathieu (pronounced as /fr/; oc|Samatiá) is a commune in the Haute-Vienne department in the Nouvelle-Aquitaine region in west-central France.
Inhabitants are known as Mathuséens.