| Robert-Magny | |
| Arrondissement: | Saint-Dizier |
| Canton: | Wassy |
| Insee: | 52427 |
| Postal Code: | 52220 |
| Commune: | La Porte du Der |
| Coordinates: | 48.4617°N 4.8475°W |
| Area Km2: | 19.4 |
| Population: | 329 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Robert-Magny (in French pronounced as /ʁɔbɛʁ maɲi/) is a former commune in the Haute-Marne department in north-eastern France. On 1 January 2016, it was merged into the new commune La Porte du Der.[2] Between 1972 and 2012 it was part of the commune Robert-Magny-Laneuville-à-Rémy.