Lac Antoine-Grégoire is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 52° 22' 39'' North   (decimal: 52.3775)
• Longitude: 70° 35' 21'' West   (decimal: -70.5891667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Antoine-Grégoire
• GPS Coordinate Locator Map: Lac Antoine-Grégoire Lat/Long