| Tourville-sur-Sienne | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Coutances |
| Insee: | 50603 |
| Postal Code: | 50200 |
| Mayor: | Pierre Vogt[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.0469°N -1.5428°W |
| Elevation M: | 61 |
| Elevation Min M: | 5 |
| Elevation Max M: | 103 |
| Area Km2: | 7.50 |
| Demonym: | Tourvillais |
Tourville-sur-Sienne (in French pronounced as /tuʁvil syʁ sjɛn/) is a commune in the Manche department in Normandy in north-western France.