Lac Guy is a Lake located in Lac-Oscar; Antoine-Labelle, Quebec.

• Latitude: 47° 10' 39'' North   (decimal: 47.1775)
• Longitude: 75° 15' 50'' West   (decimal: -75.2638889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Oscar; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Guy
• GPS Coordinate Locator Map: Lac Guy Lat/Long