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

• Latitude: 54° 54' 15'' North   (decimal: 54.9041667)
• Longitude: 70° 46' 23'' West   (decimal: -70.7730556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Boilay
• GPS Coordinate Locator Map: Lac Boilay Lat/Long