| Noidant-le-Rocheux | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Noidant-le-Rocheux.svg |
| Arrondissement: | Langres |
| Canton: | Villegusien-le-Lac |
| Insee: | 52355 |
| Postal Code: | 52200 |
| Mayor: | Nathalie Chalus[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Langres |
| Coordinates: | 47.8303°N 5.255°W |
| Elevation M: | 424 |
| Elevation Min M: | 377 |
| Elevation Max M: | 455 |
| Area Km2: | 16.49 |
| Demonym: | Noidantais, Noidantaises |
Noidant-le-Rocheux (in French pronounced as /nwadɑ̃ lə ʁɔʃø/) is a commune in the Haute-Marne department in north-eastern France.