| Saint-Cyr | |
| Commune Status: | Commune |
| Arrondissement: | Tournon-sur-Rhône |
| Canton: | Annonay-1 |
| Insee: | 07227 |
| Postal Code: | 07430 |
| Mayor: | Marc Lecointre[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Annonay Rhône Agglo |
| Coordinates: | 45.2528°N 4.7311°W |
| Elevation Min M: | 304 |
| Elevation Max M: | 410 |
| Area Km2: | 8.12 |
Saint-Cyr (in French pronounced as /sɛ̃ siʁ/; Vivaro-Alpine: Sant Circ) is a commune in the Ardèche department in southern France.