| Petite-Chaux | |
| Commune Status: | Commune |
| Coordinates: | 46.6947°N 6.1686°W |
| Insee: | 25451 |
| Postal Code: | 25240 |
| Arrondissement: | Pontarlier |
| Canton: | Frasne |
| Mayor: | Patricia Todeschini[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 955 |
| Elevation Max M: | 1286 |
| Area Km2: | 9.81 |
Petite-Chaux (pronounced as /fr/) is a commune in the Doubs département in the Bourgogne-Franche-Comté region in eastern France.