Lac Jean-Marie is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 48° 55' 54'' North   (decimal: 48.9316989)
• Longitude: 69° 17' 21'' West   (decimal: -69.2892196)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• GPS Coordinate Locator Map: Lac Jean-Marie Lat/Long