| Foncine-le-Bas | |
| Commune Status: | Commune |
| Coordinates: | 46.6378°N 6.0308°W |
| Insee: | 39227 |
| Postal Code: | 39520 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Saint-Laurent-en-Grandvaux |
| Mayor: | Jacques Gagneux[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 730 |
| Elevation Max M: | 1181 |
| Area Km2: | 9.29 |
Foncine-le-Bas (pronounced as /fr/) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2]