| Montigny-sur-l'Ain | |
| Commune Status: | Commune |
| Coordinates: | 46.7108°N 5.7861°W |
| Insee: | 39356 |
| Postal Code: | 39300 |
| Arrondissement: | Lons-le-Saunier |
| Canton: | Champagnole |
| Mayor: | Rémi Hugon[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 460 |
| Elevation Max M: | 661 |
| Area Km2: | 7.99 |
Montigny-sur-l'Ain (pronounced as /fr/, literally Montigny on the Ain) is a commune in the Jura department in Bourgogne-Franche-Comté in eastern France.[2]