| Mantenay-Montlin | |
| Commune Status: | Commune |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Replonges |
| Insee: | 01230 |
| Postal Code: | 01560 |
| Mayor: | Michel Lemaire[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bassin de Bourg-en-Bresse |
| Coordinates: | 46.4253°N 5.0989°W |
| Elevation M: | 188 |
| Elevation Min M: | 180 |
| Elevation Max M: | 222 |
| Area Km2: | 10.8 |
Mantenay-Montlin (in French pronounced as /mɑ̃tnɛ mɔ̃lɛ̃/) is a commune in the Ain department in eastern France.