| Courcelles-en-Montagne | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Villegusien-le-Lac |
| Insee: | 52147 |
| Postal Code: | 52200 |
| Mayor: | Fabrice Ducreuzot[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.8378°N 5.2239°W |
| Elevation M: | 430 |
| Elevation Min M: | 374 |
| Elevation Max M: | 497 |
| Area Km2: | 15.16 |
Courcelles-en-Montagne (in French pronounced as /kuʁsɛl ɑ̃ mɔ̃taɲ/) is a commune in the Haute-Marne department in north-eastern France.