| Saint-Cyr | |
| Commune Status: | Commune |
| Arrondissement: | Cherbourg |
| Canton: | Valognes |
| Insee: | 50461 |
| Postal Code: | 50310 |
| Mayor: | Christèle Castelein[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Cotentin |
| Coordinates: | 49.4889°N -1.4183°W |
| Elevation M: | 49 |
| Area Km2: | 5.7 |
Saint-Cyr (pronounced as /fr/) is a commune in the Manche department in Normandy in north-western France.[2]