Lac-Tommy is a Unincorporated area located in Labrecque; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 40' 20'' North   (decimal: 48.6722222)
• Longitude: 71° 27' 37'' West   (decimal: -71.4602778)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Location: Labrecque; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac-Tommy
• GPS Coordinate Locator Map: Lac-Tommy Lat/Long