Hennessy Rock is a Shoal located in Fogo, Newfoundland and Labrador.

• Latitude: 49° 30' 0'' North   (decimal: 49.5000000)
• Longitude: 53° 51' 57'' West   (decimal: -53.8658333)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Newfoundland and Labrador
• Location: Fogo
• Atlas of Canada Locator Map: Hennessy Rock
• GPS Coordinate Locator Map: Hennessy Rock Lat/Long