Jean Marie River (Slavey language: Tthek'éhdélį or Tthek'edeli "water flowing over clay") is a "Designated Authority" in the Dehcho Region of the Northwest Territories, Canada. The community is located on the where it joins the Mackenzie River. The community has a small airport, Jean Marie River Airport, and is accessible by charter aircraft throughout the year and by the all-season JMR Access Road 27 km (17 mi) from the Mackenzie Highway.