Lac Antoine is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 55' 37'' North   (decimal: 50.9269519)
• Longitude: 67° 46' 8'' West   (decimal: -67.7689149)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Antoine
• GPS Coordinate Locator Map: Lac Antoine Lat/Long