Lac Sheilann is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 374 meters.

• Latitude: 49° 7' 1'' North   (decimal: 49.1169444)
• Longitude: 76° 20' 17'' West   (decimal: -76.3380556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 374 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Sheilann
• GPS Coordinate Locator Map: Lac Sheilann Lat/Long