Lac Yvan is a Lake located in Rivière-Éternité; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 18' 3'' North   (decimal: 48.3008619)
• Longitude: 70° 22' 50'' West   (decimal: -70.3806231)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Éternité; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Yvan
• GPS Coordinate Locator Map: Lac Yvan Lat/Long