| Montsaugeon | |
| Arrondissement: | Langres |
| Canton: | Villegusien-le-Lac |
| Commune: | Le Montsaugeonnais |
| Insee: | 52340 |
| Postal Code: | 52190 |
| Coordinates: | 47.6667°N 5.3097°W |
| Elevation M: | 332 |
| Area Km2: | 6.32 |
| Population: | 83 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Montsaugeon (in French pronounced as /mɔ̃soʒɔ̃/) is a former commune in the Haute-Marne department in north-eastern France. On 1 January 2016, it was merged into the new commune Le Montsaugeonnais.[2] Its population was 83 in 2019.[1]