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

• Latitude: 58° 17' 32'' North   (decimal: 58.2922222)
• Longitude: 75° 46' 31'' West   (decimal: -75.7752778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Tatamivvik
• GPS Coordinate Locator Map: Lac Tatamivvik Lat/Long