Jamésie is a territory equivalent to a regional county municipality (TE) of Nord-du-Québec, Canada.
Its geographical code is 991 and together with Kativik TE and Eeyou Istchee TE it forms the administrative région and census division (CD) of Nord-du-Québec
It is located to the east of James Bay, after which the territory is named. It has a land area of 283,955 km2 (109,636 sq mi), or larger than the U.S. state of Arizona) and a 2016 population of 13,941 inhabitants. (The original 2006 census land area was reduced by about 1.74 percent and the population was reduced by 47.25 percent by the creation and departure of the Eeyou Istchee communities in 2007). Chibougamau is the largest community in both Jamésie TE and Nord-du-Québec.
Under the terms of the Agreement on Governance in the Eeyou Istchee James Bay Territory of July 24, 2012, the municipality of Baie-James within Jamésie ceased to exist and was replaced by the local municipality of Eeyou Istchee James Bay Territory, which is jointly governed and managed by the Cree of Eeyou Istchee TE and the non-Cree of Jamésie TE.