Robert-Magny () 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.Arrêté préfectoral 29 December 2015 Between 1972 and 2012 it was part of the commune Robert-Magny-Laneuville-à-Rémy.
See also Communes of the Haute-Marne department
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