| Foulenay | |
| Commune Status: | Commune |
| Coordinates: | 46.8644°N 5.4858°W |
| Insee: | 39234 |
| Postal Code: | 39230 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Bletterans |
| Mayor: | Marianne Girard[1] |
| Term: | 2023 - 2026 |
| Elevation Min M: | 197 |
| Elevation Max M: | 221 |
| Area Km2: | 4.16 |
Foulenay (in French pronounced as /fulnɛ/) is a commune in the Jura department and Bourgogne-Franche-Comté region of eastern France.[2]