Lac Diane is a Lake located in Sainte-Angèle-de-Prémont; Maskinongé, Quebec.

• Latitude: 46° 21' 5'' North   (decimal: 46.3514185)
• Longitude: 73° 4' 28'' West   (decimal: -73.0745707)
• Topography Feature Category: Lake
• Geographical Feature: Lac artificiel
• Canadian Province/Territory: Quebec
• Location: Sainte-Angèle-de-Prémont; Maskinongé
• Atlas of Canada Locator Map: Lac Diane
• GPS Coordinate Locator Map: Lac Diane Lat/Long