Petit lac Uatnakantuk is a Lake located in Havre-Saint-Pierre; Minganie, Quebec.

• Latitude: 50° 23' 24'' North   (decimal: 50.3900719)
• Longitude: 63° 10' 19'' West   (decimal: -63.1720722)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Havre-Saint-Pierre; Minganie
• Atlas of Canada Locator Map: Petit lac Uatnakantuk
• GPS Coordinate Locator Map: Petit lac Uatnakantuk Lat/Long