Lac La Fidélité is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 57° 38' 8'' North   (decimal: 57.6355556)
• Longitude: 70° 53' 11'' West   (decimal: -70.8863889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac La Fidélité
• GPS Coordinate Locator Map: Lac La Fidélité Lat/Long