Lac John is a Lake located in Saint-René-de-Matane; Matane, Quebec.

• Latitude: 48° 44' 12'' North   (decimal: 48.7366666)
• Longitude: 67° 11' 40'' West   (decimal: -67.1944444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-René-de-Matane; Matane
• Atlas of Canada Locator Map: Lac John
• GPS Coordinate Locator Map: Lac John Lat/Long