| Nijon | |
| Arrondissement: | Chaumont |
| Canton: | Poissons |
| Insee: | 52351 |
| Postal Code: | 52150 |
| Commune: | Bourmont-entre-Meuse-et-Mouzon |
| Coordinates: | 48.1936°N 5.6417°W |
| Elevation M: | 326 |
| Area Km2: | 7.71 |
| Population: | 102 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Nijon (in French pronounced as /niʒɔ̃/) is a former commune in the Haute-Marne department in north-eastern France. On 1 June 2016, it was merged into the new commune of Bourmont-entre-Meuse-et-Mouzon.[2] Its population was 102 in 2019.[1]