| Saint-Didier | |
| Commune Status: | Commune |
| Coordinates: | 46.7094°N 5.5106°W |
| Insee: | 39480 |
| Postal Code: | 39570 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Lons-le-Saunier-1 |
| Mayor: | Michel Junier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Espace Communautaire Lons Agglomération |
| Elevation Min M: | 210 |
| Elevation Max M: | 333 |
| Area Km2: | 3.02 |
Saint-Didier (in French pronounced as /sɛ̃ didje/) is a commune in the Jura department in the Bourgogne-Franche-Comté region in eastern France.[2]