Lac Lanyan is a Lake located in Baie-d'Hudson; Kativik, Quebec.

• Latitude: 61° 25' 3'' North   (decimal: 61.4175185)
• Longitude: 77° 7' 21'' West   (decimal: -77.1223906)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-d'Hudson; Kativik
• Atlas of Canada Locator Map: Lac Lanyan
• GPS Coordinate Locator Map: Lac Lanyan Lat/Long