| Lucy-sur-Yonne | |
| Commune Status: | Commune |
| Coordinates: | 47.5247°N 3.5839°W |
| Insee: | 89234 |
| Postal Code: | 89480 |
| Arrondissement: | Auxerre |
| Canton: | Joux-la-Ville |
| Mayor: | Éric Fiala[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 132 |
| Elevation Max M: | 210 |
| Area Km2: | 8.19 |
Lucy-sur-Yonne (pronounced as /fr/) is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.