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

• Latitude: 59° 4' 41'' North   (decimal: 59.0779714)
• Longitude: 69° 48' 1'' West   (decimal: -69.8003794)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Déry
• GPS Coordinate Locator Map: Lac Déry Lat/Long