Chisasibi ( meaning Great River) is a village on the eastern shore of James Bay, in the Eeyou Istchee territory in northern Quebec, Canada. It is situated on the south shore of La Grande River (the Grand River), less than from the river's mouth. Chisasibi is one of nine Cree villages in the region, and is a member of the Grand Council of the Crees of Quebec. The territory surrounding Chisasibi is part of the Municipality of Baie-James, of which parts are jointly managed with the Cree Regional Authority.
The surface area of the town is . The surface area of Chisasibi Cree Territory Category I Land (land exclusively for Cree use) is .
Chisasibi is a Cree village municipality in the territory of Eeyou Istchee in northern Quebec; it has a distinct legal status and classification from other kinds of village municipalities in Quebec: Naskapi village municipalities, northern villages (Inuit communities), and ordinary villages.
As with all other Cree village municipalities in Quebec, there is a counterpart Cree reserved land of the same name located nearby: Chisasibi.
Despite the title of "village municipality" and the formalities that go along with it (for instance, having a mayor), Statistics Canada lists it (and all other Cree village municipalities in Quebec) as having no resident population or residential infrastructure (dwellings); it is the Cree reserved lands that are listed as having population and residential dwellings in the 2011 census, the 2006 census, and earlier censuses.