| Dommartin-le-Franc | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Dizier |
| Canton: | Wassy |
| Insee: | 52171 |
| Postal Code: | 52110 |
| Mayor: | Luc Brossier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saint-Dizier Der et Blaise |
| Coordinates: | 48.4283°N 4.9617°W |
| Elevation M: | 188 |
| Elevation Min M: | 166 |
| Elevation Max M: | 279 |
| Area Km2: | 10.03 |
Dommartin-le-Franc (in French pronounced as /dɔmaʁtɛ̃ lə fʁɑ̃/) is a commune in the Haute-Marne department in north-eastern France.
The Blaise flows northward through the middle of the commune and crosses the village.
It is the birthplace of Elzéar Auguste Cousin de Dommartin.