| Marnézia | |
| Commune Status: | Commune |
| Coordinates: | 46.5756°N 5.6414°W |
| Insee: | 39314 |
| Postal Code: | 39270 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Moirans-en-Montagne |
| Mayor: | Patrice Faton[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 507 |
| Elevation Max M: | 703 |
| Area Km2: | 4.97 |
Marnézia (in French pronounced as /maʁnezja/) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2]