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

• Latitude: 58° 22' 16'' North   (decimal: 58.3711111)
• Longitude: 68° 52' 46'' West   (decimal: -68.8794444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Tasialuk
• GPS Coordinate Locator Map: Lac Tasialuk Lat/Long