| Aiton | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-de-Maurienne |
| Canton: | Saint-Pierre-d'Albigny |
| Insee: | 73007 |
| Postal Code: | 73220 |
| Mayor: | Nicolas Roche[1] |
| Term: | 2023 - 2026 |
| Intercommunality: | Porte de Maurienne |
| Coordinates: | 45.5619°N 6.2592°W |
| Elevation Min M: | 286 |
| Elevation Max M: | 1009 |
| Area Km2: | 16.29 |
Aiton is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.
Aiton stands at the crossroads of the Maurienne and Tarentaise valleys, marking the transition between the foothills of the Combe de Savoie and the Alps proper. The Arc and Isère rivers have their confluence just downstream from Aiton, at the Pont Royal.
Aiton hosts the French loading platform for the Alpine rolling highway running under the Mont Cenis Tunnel to Orbassano near Turin.[2]
It is also home to a prison, opened in July 1992 after serving as press accommodation for the 1992 Winter Olympics.