Indigenous peoples of the Great Plains are often separated into Northern and Southern Plains tribes.
- Apache - see also Southwest
o Lipan Apache, New Mexico, Texas
o Plains Apache (Kiowa-Apache), Oklahoma
o Querecho Apache, Texas
- Arapaho (Arapahoe, Arrapahoe), Colorado, Oklahoma, Wyoming
o Besawunena
o Nawathinehena
- Arikara (Arikaree, Arikari, Ree), North Dakota
- Atsina (Gros Ventre), Montana
- Blackfoot
o Kainai Nation (Káínaa, Blood), Alberta
o Northern Peigan (Aapátohsipikáni), Alberta
o Blackfeet, Southern Piegan (Aamsskáápipikani), Montana
o Siksika (Siksikáwa), Alberta
- Cheyenne, Montana, Oklahoma
o Suhtai, Montana, Oklahoma
- Comanche, Oklahoma
- Plains Cree, Montana
- Crow (Absaroka, Apsáalooke), Montana
- Escanjaques, Oklahoma
- Hidatsa, North Dakota
- Iowa (Ioway), Kansas, Nebraska, Oklahoma
- Kaw (Kansa, Kanza), Oklahoma
- Kiowa, Oklahoma
- Mandan, North Dakota
- Missouri (Missouria), Oklahoma
- Omaha, Nebraska
- Osage, Oklahoma
- Otoe (Oto), Oklahoma
- Pawnee (dialects: South Band, Skiri, Oklahoma
- Ponca, Nebraska, Oklahoma
- Quapaw, formerly Arkansas, Oklahoma
- Sioux
o Dakota, Minnesota, Montana, Nebraska, North Dakota, South Dakota, Manitoba,
Saskatchewan
" Santee, Nebraska
" Yankton, South Dakota
" Yanktonai, formerly Minnesota, currently Montana, North Dakota, and
South Dakota
o Lakota (Teton), Montana, North Dakota, South Dakota, Saskatchewan
. Si?há??u (Brulé, Burned Thighs)
. Oglála (Scatters Their Own)
. Itázip?ho (Sans Arc, No Bows)
. Hú?kpap?a (Hunkpapa)
. Mnik?ówožu (Miniconjou)
. Sihásapa (Blackfoot Sioux)
. Oóhenu?pa (Two Kettles)
. Nakoda (Stoney), Alberta
. Nakota, Assiniboine (Assiniboin), Montana, Saskatchewan
- Teyas Texas
- Tonkawa, Oklahoma
- Tsuu T'ina, (Sarcee, Sarsi, Tsuut'ina), Alberta
- Wichita and Affiliated Tribes, Oklahoma, formerly Texas and Kansas
o Kichai, formerly Texas, currently Oklahoma
o Rayados, Kansas
o Taovayas
o Tawakoni, formerly Texas, currently Oklahoma
o Waco, formerly Texas, currently Oklahoma