Lac Lefebvre is a Lake located in Saint-Zénon; Matawinie, Quebec.

• Latitude: 46° 33' 49'' North   (decimal: 46.5636490)
• Longitude: 73° 46' 49'' West   (decimal: -73.7801440)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Zénon; Matawinie
• Atlas of Canada Locator Map: Lac Lefebvre
• GPS Coordinate Locator Map: Lac Lefebvre Lat/Long