The Alexis Nakota Sioux Nation no. 437 is a Nakoda First Nation which reserves near Edmonton, Hinton, and Whitecourt, in the Canadian province of Alberta,

The Fort Belknap Reservation, encompassing 1,200 square miles, or about 638,000 acres. It is home to about 3,500 members of the Assiniboine and Gros Ventre tribes. 

Bearskin Lake First Nation is an Oji-Cree First Nation reserve in Kenora District, Ontario, Canada, located 425 kilometres (264 mi) north of Sioux Lookout.

Birdtail Sioux First Nation or Chankagha Otinta is a Dakota First Nation located about 50 km north of Virden, Manitoba.

Cat Lake First Nation is an Ojibway First Nation reserve approximately 180 kilometres northwest of Sioux Lookout in northwestern Ontario, Canada.

The CRIR is the home of the federally recognized Cheyenne River Sioux Tribe (CRST) or Cheyenne River Lakota Nation (Oyate) whick include the Teton Sioux, Two Kettle Sioux, Sans Arc and Blackfoot.

Crow Creek is located on the Missouri River 60 miles southeast of Pierre and is inside Buffalo County, South Dakota. The reservation and the Crow Creek Sioux Tribe are organized into three Districts: Big Bend, Crow Creek, and Fort Thompson.

Dakota Tipi First Nation is a band located around 2.5 miles southwest of the city of Portage La Prairie, Manitoba.

The Flandreau Indian Reservation in South Dakota is an Indian reservation, belonging to the federally recognized FlandreauSantee SiouxTribe 

The Fort Belknap Indian Reservation is shared by two Native American tribes, the Gros Verde and Assinoboine Nakoda Sioux.

Fort Severn First Nation is a Western Swampy Cree First Nation band located on Hudson Bay and is the most northern community in Ontario, Canada.

Kasabonika Lake First Nation is an Oji-Cree First Nations band located north of Sioux Lookout, Ontario.

Kingfisher First Nation is an Oji-Cree First Nation reserve located 350 kilometres (220 mi) north of Sioux Lookout, Ontario, Canada.

The Lower Brulé Indian Reservation is an Indian reservation that belongs to the Lower Brulé Lakota Tribe. It is located on the west bank of the Missouri River in Lyman and Stanley counties in central South Dakota.

The Lower Sioux Indian Community is a federally-recognized Indian tribe located in south central Minnesota in Redwood County, approximately two miles south of Morton.

Naotkamegwanning First Nation, formerly known as Whitefish Bay First Nation, is an Ojibwa or Ontario Saulteaux First Nation located in Kenora District, Ontario.

Ochiichagwe'Babigo'Ining Ojibway Nation, now known as Niisaachewan Anishinaabe Nation, is an Ojibway or Ontario Saulteaux First Nation band in Kenora District.

North Caribou Lake First Nation is an Oji-Cree First Nations band that inhabits the Kenora District in northern Ontario, Canada.

Northwest Angle 33 First Nation is an Ojibwe or Ontario Anishinaabe First Nation band that resides in Kenora District, Ontario.

Animakee Wa Zhing 37 First Nation (formerly Northwest Angle 37 First Nation) is an Anishinaabe First Nation in northwestern Ontario.

Oglala Sioux Tribe Tribal headquarters are based out of the Red Cloud building in the town of Pine Ridge.  

ENROLLED MEMBERS LIVING ON RESERVATION: 

19,639

Prairie Island Indian Community Dakota  is a Mdewakanton Sioux Indian reservation in he city of Red Wing,  Goodhue County, Minnesota, along the Mississippi River. 

Rosebud Sioux Tribe of the Rosebud Indian Reservation, SD is part of the Lakota Sioux.

Sachigo Lake First Nation is an Oji-Cree First Nation band in Unorganized Kenora District in Northwestern Ontario, Canada.

Santee Sioux Nation, Nebraska also known as the Eastern Dakota is located in Niobrara and Knox County.

Shakopee Mdewakanton Sioux Community of Minnesota is a Midewakanton Dakota people located SW of Minneapolis.

Sioux Valley Dakota Nation, formerly called the Oak River Reserve, is a band of Dakota people of the Sioux that reside west of Brandon, Manitoba.

The Lake Traverse Reservation is located in the Northeastern part of South Dakota and a small portion of southeastern corner of North Dakota in 7 counties.

Slate Falls First Nation is an Ojibwe First Nation band in Ontario. It has a settlement at Slate Falls in Kenora District, Ontario.

Spirit Lake Tribe, North Dakota consists of the Pabakse, Sisseton and Wahpeton bands of the Dakota Tribe.

Standing Rock Sioux Tribe of North & South Dakota has the Hunkpapa Lakota, Sihasapa Lakota and Yanktonai Dakota making it the sixth largest reservation.

The Stoney tribe or Nakoda or Îyârhe Nakoda) are Indigenous people in Western Canada. They are originally from the United States.

Upper Sioux Community, Minnesota is located in Minnesota with three Dakota Bands of the Mdewakanton tribe.

Wapekeka First Nation (formerly known as Angling Lake First Nation) is an Oji-Cree First Nation band in Kenora District, Ontario, Canada.

Wawakapewin First Nation is an Oji-Cree First Nation located 350 kilometers north of Sioux Lookout, Ontario.

Whitecap Dakota First Nation, historically referred to as the Moose Woods Sioux Reserve, is a Dakota First Nations band located south of Saskatoon.

Wunnumin Lake First Nation is an Oji-Cree First Nation band that inhabits territory on Wunnummin Lake, 360 km northeast of Sioux Lookout, northwestern Ontario.

Yankton Sioux Tribe is located in South Dakota.