The Great Plains Indian is a collective term used to refer to the various Native American tribes that lived in the Great Plains region of North America. These tribes included the ARAPAHO, Kiowa, Oto, and Blackfoot. The ARAPAHO were a tribe of Native Americans who traditionally lived in the Great Plains region of North America. The Kiowa were a Native American tribe that originally lived in the Great Plains region of North America. The Oto were a Native American tribe that traditionally lived in the Great Plains region of North America. The Blackfoot were a tribe of Native Americans who traditionally lived in the Great Plains region of North America.