Ahtahkakoop First Nation (Cree: ᐊᑖᐦᑲᑯᐦᑊ atâhkakohp, meaning Starblanket, name of the first chief of the Band) is a Cree First Nation band government in Shell Lake, Saskatchewan, Canada. The Ahtahkakoop First Nation government and community is located on Ahtahkakoop 104, 72 kilometers northwest of Prince Albert and is 17,347 hectares in size. The community was formerly known as the "Sandy Lake Indian Band", a name which is still used interchangeably when referring to the reserve.