Jean-Baptiste-François Gigot d’Orcy, ( January 8, 1737, Sens, - June 10, 1793, in Paris, ) was a French entomologist and mineralogist.
In 1788, he was a wealthy figure of the Ancien regime and receiver general of finances of the generality of Châlons-en-Champagne and lived in Paris at Place Vendôme in the parish of St-Roch.
He assembled an important natural history collection and library in his home on Place Vendôme.
A naturalist and patron, he had his rich collection described by Jacques-Louis-Florentin Engramelle and supported the publication of works by contemporary naturalists such as Guillaume-Antoine Olivier and Jean-Baptiste Audebert.
His name is honoured as Rutela dorcyi Olivier, 1789 Jean Gigot d'Orcy's associates Johann Eusebius Voet,Jacob Christian Schäffer, Michael Denis and Ignaz Schiffermüller.