| Aillon-le-Jeune | |
| Commune Status: | Commune |
| Arrondissement: | Chambéry |
| Canton: | Saint-Alban-Leysse |
| Insee: | 73004 |
| Postal Code: | 73340 |
| Mayor: | Serge Tichkiewitch[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Chambéry |
| Coordinates: | 45.6192°N 6.0814°W |
| Elevation Min M: | 877 |
| Elevation Max M: | 2040 |
| Area Km2: | 34.09 |
Aillon-le-Jeune (pronounced as /fr/; Arpitan: Alyon-le-Joueno) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region, Southeastern France.