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

• Latitude: 59° 36' 56'' North   (decimal: 59.6154944)
• Longitude: 70° 22' 52'' West   (decimal: -70.3812244)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Lefroy
• GPS Coordinate Locator Map: Lac Lefroy Lat/Long