| Saint-Julien-Mont-Denis | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-de-Maurienne |
| Canton: | Saint-Jean-de-Maurienne |
| Insee: | 73250 |
| Postal Code: | 73870 |
| Mayor: | François Rovasio[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Cœur de Maurienne Arvan |
| Coordinates: | 45.2572°N 6.4053°W |
| Elevation Min M: | 552 |
| Elevation Max M: | 2824 |
| Area Km2: | 33.04 |
Saint-Julien-Mont-Denis is a commune, in Maurienne Valley, in Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.