Lac de Joly is a Lake located in Saint-Janvier-de-Joly; Lotbinière, Quebec.

• Latitude: 46° 28' 41'' North   (decimal: 46.4780812)
• Longitude: 71° 42' 30'' West   (decimal: -71.7084304)
• Topography Feature Category: Lake
• Geographical Feature: Lac artificiel
• Canadian Province/Territory: Quebec
• Location: Saint-Janvier-de-Joly; Lotbinière
• Atlas of Canada Locator Map: Lac de Joly
• GPS Coordinate Locator Map: Lac de Joly Lat/Long