The Oklahoma Indians are a group of Native American tribes that have lived in the region for centuries. The three tribes that make up the Oklahoma Indians are the Otos, Osages, and Otoes. The Otos are a tribe of Native Americans who historically lived in the Great Plains region of North America. The Osages are a tribe of Native Americans who historically lived in the present-day states of Arkansas, Missouri, Kansas, and Oklahoma. The Otoes are a tribe of Native Americans who historically lived in the present-day states of Nebraska, Iowa, and Missouri. All three tribes are federally recognized and have their own governments and reservations.