Atikameksheng Anishnawbek (Anishinaabe language: Adikamegosheng Anishinaabeg, syncoped as Dikmegsheng Nishnaabeg), formerly known as the Whitefish Lake First Nation, is an Ojibwa First Nation in Ontario, Canada, and is located on the shores of Whitefish Lake, 20 km southwest of Sudbury.