Wasagamack First Nation is an Oji-Cree First Nation band government in Manitoba, Canada. As of December 2014 the registered population of the Wasagamack First Nation was 2,017, of which 1,823 lived on their own reserve. Their most populous community is Wasagamack located about north of Winnipeg on Island Lake. The population of Wasagamack in 2011 was 1,411 an increase of 21.6 rom the 2006 population of 1,160. St. Theresa Point First Nation lies just to the south of this reserve.