| Saint-Pierre-de-Rivière | |
| Commune Status: | Commune |
| Arrondissement: | Foix |
| Canton: | Foix |
| Insee: | 09273 |
| Postal Code: | 09000 |
| Mayor: | Véronique Rumeau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Foix-Varilhes |
| Coordinates: | 42.9617°N 1.5603°W |
| Elevation M: | 451 |
| Elevation Min M: | 436 |
| Elevation Max M: | 569 |
| Area Km2: | 2.35 |
Saint-Pierre-de-Rivière (pronounced as /fr/; Languedocien: Sent Pèire) is a commune in the Ariège department in southwestern France.
Inhabitants of Saint-Pierre-de-Rivière are called Saint-Pierrois in French.