Yakutat Tlingit Tribe located within 200 miles of Juneau and have three main groups: the Tlingits, Athabascans and Copper River People.

The Yakweakwioose Band is a First Nation of the Sto:lo people located in the Upper Fraser Valley region at Sardis, near Chilliwack, British Columbia, Canada.

Yankton Sioux Tribe is located in South Dakota.

Yavapai-Apache Nation of the Camp Verde Indian Reservation is located in Arizona.

Yekooche First Nation is based 75 kilometers northwest of Fort St. James, British Columbia at the north end of Stuart Lake.

Yellow Quill First Nation (formerly Nut Lake Band of Saulteaux) is a Saulteaux First Nation band in Saskatchewan, Canada.

Yerington Paiute Tribe of the Yerington Colony & Campbell Ranch is located in Lyon County, Nevada.

Yocha Dehe Wintun Nation is headquartered, California. 

Yomba Shoshone Tribe of the Yomba Reservation is headquartered in Austin, Nevada.

York Landing First Nation is a band in Manitoba, Canada, located along the eastern bank of the Nelson River.

Young Chippewayan First Nation (also known as the Stoney Knoll First Nation) is a partially recognized First Nations band in central Saskatchewan, Canada.

Ysleta del Sur Pueblo is located in El Paso, Texas.

Yunesit’in (Stone First Nation) is one of the six communities within the Tsilhqot’in Nation. It is located in the Chilcotin District of British Columbia.

Yup of Andreafski is located by St. Mary's Alaska.

Yurok Tribe of the Yurok Reservation is located in northwestern California.

The Yuu_u_i__at_ Government (Yuułuʔiłʔatḥ or Ucluelet First Nation) is a Nuu-chah-nulth nation located on the northwest side of Barkley Sound, Vancouver Island.