Petit lac Couteau is a Lake located in Lac-Normand; Mékinac, Quebec.

• Latitude: 46° 50' 9'' North   (decimal: 46.8358653)
• Longitude: 73° 7' 5'' West   (decimal: -73.1181826)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-Normand; Mékinac
• Atlas of Canada Locator Map: Petit lac Couteau
• GPS Coordinate Locator Map: Petit lac Couteau Lat/Long