| Chêne-Sec | |
| Commune Status: | Commune |
| Coordinates: | 46.8514°N 5.4417°W |
| Insee: | 39140 |
| Postal Code: | 39230 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Bletterans |
| Mayor: | Pierre Chanois[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 193 |
| Elevation Max M: | 216 |
| Area Km2: | 0.76 |
Chêne-Sec (in French pronounced as /ʃɛn sɛk/) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2]