Lac Sévigny is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 55° 22' 23'' North   (decimal: 55.3730556)
• Longitude: 69° 37' 46'' West   (decimal: -69.6294444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• GPS Coordinate Locator Map: Lac Sévigny Lat/Long