Kiowa Apache in the context of Caddo County, Oklahoma

Plains Indians or Indigenous peoples of the Great Plains are the Native American tribes and First Nations peoples who have historically lived on the Interior Plains (the Great Plains) of North America. While hunting-farming cultures have lived on the Great Plains for centuries prior to European contact, the region is known for the horse cultures that flourished from the 17th century through the late 19th century. Their historic nomadism and armed resistance to domination by the government and military forces of Canada and the United States have made the Plains Indian culture groups an archetype in literature and art for Native Americans everywhere.

The Plains tribes are usually divided into two broad classifications which overlap to some degree. The first group became a fully nomadic horse culture during the 18th and 19th centuries, following the vast herds of American bison, although some tribes occasionally engaged in agriculture. These include the Arapaho, Assiniboine, Blackfoot, Cheyenne, Comanche, Crow, Gros Ventre, Kiowa, Lakota, Lipan, Plains Apache (or Kiowa Apache), Plains Cree, Plains Ojibwe, Sarsi, Nakoda (Stoney), and Tonkawa. The second group were sedentary and semi-sedentary, and, in addition to hunting bison, they lived in villages, raised crops, and actively traded with other tribes. These include the Arikara, Hidatsa, Iowa, Kaw (or Kansa), Kitsai, Mandan, Missouria, Omaha, Osage, Otoe, Pawnee, Ponca, Quapaw, Wichita, and the Santee Dakota, Yanktonai and Yankton Dakota.

Lipan Apache are a band of Apache, a Southern Athabaskan Indigenous people, who have lived in the Southwest and Southern Plains for centuries. At the time of European and African contact, they lived in New Mexico, Colorado, Oklahoma, Texas, and northern Mexico. Historically, they were the easternmost band of Apache.

The descendants of the Lipan Apache live primarily in Texas, New Mexico, Oklahoma, Arizona, and northern Mexico. Some are enrolled in three federally recognized tribes: the Mescalero Apache Tribe in New Mexico, the Tonkawa Tribe of Indians of Oklahoma, and Apache Tribe of Oklahoma, which is also known as the Kiowa Apache or Plains Apache. The Lipan Apache, however, are not a federally recognized tribe. Additionally, Lipan Apache descendants are members of non-federally recognized groups.