| Mont Joigny | |
| Elevation M: | 1558 |
| Range: | Chartreuse Mountains |
| Location: | Savoie, France |
| Map: | France |
| Label Position: | left |
| Coordinates: | 45.4917°N 5.8978°W |
Mont Joigny (1,558 m) is a mountain in the Chartreuse Mountains in Savoie, France. It lies west of the Col du Granier and north of Entremont-le-Vieux.