| Semoutiers-Montsaon | |
| Commune Status: | Commune |
| Arrondissement: | Chaumont |
| Canton: | Chaumont-3 |
| Insee: | 52469 |
| Postal Code: | 52000 |
| Mayor: | Jean-Luc Raillard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chaumont |
| Coordinates: | 48.0594°N 5.0578°W |
| Elevation M: | 310 |
| Area Km2: | 27.4 |
| Demonym: | Semourstériens, Semourstériennes |
Semoutiers-Montsaon (pronounced as /fr/) is a commune in the Haute-Marne department in north-eastern France. It was created in 1972 by the merger of two former communes: Semoutiers and Montsaon.[2]