Boissise-le-Roi (; 'Boissise-the-King') is a commune in the Seine-et-Marne department in the ÃÂle-de-France region in northern France. It is on the left bank of the Seine, west of Melun. The church, the château and its park are listed monuments.
The inhabitants are called Régiboissiens (masculine) and Régiboissiennes (feminine) in French.
Boissise-le-Roi station is served by RER D.
Boissise-le-Roi is twinned with: