Quincy-sous-Sénart (, literally Quincy under Sénart) is a commune in the Essonne department in ÃÂle-de-France in northern France. The palaeographer and archivist Robert Marichal (1904âÂÂ1999) died in Quincy-sous-Sénart.
Inhabitants of Quincy-sous-Sénart are known as Quincéens in French.
Quincy-sous-Sénart is twinned with: