Lac Jean is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec.

• Latitude: 48° 30' 14'' North   (decimal: 48.5038889)
• Longitude: 72° 38' 00'' West   (decimal: -72.6333333)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Jean
• GPS Coordinate Locator Map: Lac Jean Lat/Long