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

• Latitude: 55° 22' 32'' North   (decimal: 55.3755556)
• Longitude: 77° 11' 39'' West   (decimal: -77.1941667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Usikumakw
• GPS Coordinate Locator Map: Lac Usikumakw Lat/Long