| Saint-Sixt | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Sixt.svg |
| Arrondissement: | Bonneville |
| Canton: | La Roche-sur-Foron |
| Insee: | 74253 |
| Postal Code: | 74800 |
| Mayor: | Jean-Claude Harmand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays Rochois |
| Coordinates: | 46.0536°N 6.33°W |
| Elevation Min M: | 550 |
| Elevation Max M: | 1600 |
| Area Km2: | 5.21 |
Saint-Sixt (pronounced as /fr/; frp|San-Fi) is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in Southeastern France. It is located just east of La Roche-sur-Foron, to the north of the Bornes Massif. In 2019, it had a population of 1,018.