Île Katchinoantchi is a Island located in Baie-James; Jamésie, Quebec.

• Latitude: 50° 22' 29'' North   (decimal: 50.3747222)
• Longitude: 73° 50' 38'' West   (decimal: -73.8438889)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Île Katchinoantchi
• GPS Coordinate Locator Map: Île Katchinoantchi Lat/Long