Boissise-le-Roi (French pronunciation: [bwasiz lə ʁwa] ⓘ) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.

The church,[3] the château[4] and its park[5] are listed monuments.

The inhabitants are called Régiboissiens in French.

Boissise-le-Roi is twinned with:

This article related to a Seine-et-Marne location is a stub.