| Le Tronchet | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Le Tronchet (Ille-etVilaine).svg |
| Coordinates: | 48.4869°N -1.8353°W |
| Insee: | 35362 |
| Postal Code: | 35540 |
| Arrondissement: | Saint-Malo |
| Canton: | Dol-de-Bretagne |
| Mayor: | Pascal Briand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Saint-Malo |
| Elevation Min M: | 13 |
| Elevation Max M: | 79 |
| Area Km2: | 11.35 |
Le Tronchet (pronounced as /fr/; br|Ar Granneg) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Le Tronchet are called Tronchetois in French.