The Sto꞉lo Nation Chiefs Council is a First Nations Tribal Council in the Fraser Valley region of the Canadian province of British Columbia that is the tribal council for First Nations band governments in the area of Chilliwack, Abbotsford and at Nicomen Island. This tribal council should not be confused with the, which is composed of different bands of the people. Many Sto:lo communities and their governments are not in either tribal council.
In 1977 twenty-four Stó:lō First Nations banded together to sign the Stó:lō Declaration and creating the Stó:lō Nation Chiefs Council. By 1995 when the BC Treaty Process started three First Nations had left the Sto:lo Nation.[2] By 2005 two more nations had left leaving 19 First Nations.
In 2005, these 19 Sto:lo First Nations that remained in the Sto:lo Nation underwent an internal re-organization, eventually forming two tribal councils. Eleven of these First Nations stayed in the Sto:lo Nation Chiefs Council: Aitchelitz, Leq'a:mel, Matsqui, Popkum, Shxwhá:y Village, Skawahlook, Skowkale, Squiala, Sumas, Tzeachten, and Yakweakwioose.[2]
Eight others formed a new tribal council called the :[2]