Lac du Français is a Lake located in Lac-Casault; La Matapédia, Quebec.

• Latitude: 48° 33' 46'' North   (decimal: 48.5627777)
• Longitude: 67° 11' 7'' West   (decimal: -67.1852777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Casault; La Matapédia
• Atlas of Canada Locator Map: Lac du Français
• GPS Coordinate Locator Map: Lac du Français Lat/Long