Lac Sirvé is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 55° 57' 19'' North   (decimal: 55.9552778)
• Longitude: 72° 19' 58'' West   (decimal: -72.3327778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Sirvé
• GPS Coordinate Locator Map: Lac Sirvé Lat/Long