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

• Latitude: 53° 47' 33'' North   (decimal: 53.7925)
• Longitude: 76° 20' 46'' West   (decimal: -76.3461111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• GPS Coordinate Locator Map: Lac Diane Lat/Long