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

• Latitude: 49° 39' 1'' North   (decimal: 49.6502778)
• Longitude: 68° 49' 27'' West   (decimal: -68.8241667)
• 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