| Dommartin | |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Replonges |
| Insee: | 01144 |
| Postal Code: | 01380 |
| Commune: | Bâgé-Dommartin |
| Coordinates: | 46.3383°N 4.9906°W |
| Elevation M: | 200 |
| Elevation Min M: | 186 |
| Elevation Max M: | 217 |
| Area Km2: | 17.19 |
| Population: | 887 |
| Population Date: | 2021 |
| Population Footnotes: | [1] |
Dommartin (in French pronounced as /dɔ̃maʁtɛ̃/) is a former commune in the Ain department in eastern France. On 1 January 2018, it was merged into the new commune of Bâgé-Dommartin.[2]