| Lavancia-Épercy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lavancia-Epercy (Jura).svg |
| Coordinates: | 46.3317°N 5.68°W |
| Insee: | 39283 |
| Postal Code: | 1590 |
| Arrondissement: | Saint-Claude |
| Canton: | Coteaux du Lizon |
| Mayor: | Bernard Jaillet[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 305 |
| Elevation Max M: | 901 |
| Area Km2: | 10.56 |
Lavancia-Épercy (in French pronounced as /lavɑ̃sja epɛʁsi/) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2]