| Arenthon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Ecu bandé argent gueules.svg |
| Arrondissement: | Bonneville |
| Canton: | Bonneville |
| Insee: | 74018 |
| Postal Code: | 74800 |
| Mayor: | Chantal Coudurier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Pays Rochois |
| Coordinates: | 46.1064°N 6.3336°W |
| Elevation Min M: | 429 |
| Elevation Max M: | 481 |
| Area Km2: | 11.47 |
Arenthon (in French pronounced as /aʁɑ̃tɔ̃/; Aranton) is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.