The Cheyenne ( shy-AN, shy-EN) are an Indigenous people of the Great Plains. The Cheyenne comprise two Native American tribes, the Só'taeo'o or Só'taétaneo'o (more commonly spelled as Suhtai or Sutaio) and the Tsétsėhéstȧhese (also spelled Tsitsistas, [t͡sɪt͡shɪstʰɑs]); the tribes merged in the earl...