Wunnumin Lake First Nation (Oji-Cree language: ᐊᐧᓇᒪᐣ ᓵᑲᐦᐃᑲᓃᕽ (Wanaman-zaaga'iganiing, "At Wunnumin Lake"); unpointed: ᐊᐧᓇᒪᐣ ᓴᑲᐃᑲᓂᐠ) is an Oji-Cree First Nation band government who inhabit territory on Wunnummin Lake 360 kilometres (220 mi) northeast of Sioux Lookout in northwestern Ontario, Canada. It consists of two reserves: the main reserve Wunnumin 1 and the nearby Wunnumin 2. Its registered population as of January 2007 was 565.