| Octon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Octon (Hérault).svg |
| Arrondissement: | Lodève |
| Canton: | Clermont-l'Hérault |
| Insee: | 34186 |
| Postal Code: | 34800 |
| Mayor: | Bernard Coste[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Clermontais |
| Coordinates: | 43.655°N 3.3033°W |
| Elevation M: | 125 |
| Elevation Min M: | 134 |
| Elevation Max M: | 700 |
| Area Km2: | 21.81 |
Octon (in French pronounced as /ɔktɔ̃/; Occitan (post 1500);: Auton) is a commune in the Hérault department in the Occitanie region in southern France.
Octon has a mediterranean climate (Köppen climate classification Csa). The average annual temperature in Octon is . The average annual rainfall is with October as the wettest month. The temperatures are highest on average in July, at around, and lowest in January, at around . The highest temperature ever recorded in Octon was on 12 August 2003; the coldest temperature ever recorded was on 28 February 2018.