| Dessia | |
| Coordinates: | 46.3858°N 5.5022°W |
| Insee: | 39195 |
| Postal Code: | 39320 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Saint-Amour |
| Commune: | Montlainsia |
| Elevation Min M: | 510 |
| Elevation Max M: | 671 |
| Area Km2: | 4.64 |
| Population: | 65 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Dessia (in French pronounced as /desja/) is a former commune in the Jura department in Bourgogne-Franche-Comté in eastern France. On 1 January 2017, it was merged into the new commune Montlainsia.[2]