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

• Latitude: 46° 27' 5'' North   (decimal: 46.4514256)
• Longitude: 73° 40' 31'' West   (decimal: -73.6751408)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Saint-Zénon; Matawinie
• Atlas of Canada Locator Map: Lac Nancy
• GPS Coordinate Locator Map: Lac Nancy Lat/Long