The Williams Lake Indian Band is a First Nations government of the Secwepemc (Shuswap) Nation, located in the Cariboo region of the Central Interior region of the Canadian province of British Columbia, at the city of Williams Lake. It was created when the government of the then-Colony of British Columbia established an Indian Reserve system in the 1860s. It is a member government of the Northern Shuswap Tribal Council. Its main Indian Reserve is Williams Lake Indian Reserve No.