Lac Atiittusiuvik is a Lake located in Baie-d'Hudson; Kativik, Quebec.

• Latitude: 61° 31' 39'' North   (decimal: 61.5275238)
• Longitude: 77° 24' 21'' West   (decimal: -77.4057364)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Atiittusiuvik
• GPS Coordinate Locator Map: Lac Atiittusiuvik Lat/Long