The Cheyenne Sioux, also known as the Cheyenne, are a Native American tribe originally from the Great Plains region of North America. They are known for their rich cultural heritage, which includes traditional practices, languages, and social structures. The Cheyenne Sioux historically relied on buffalo hunting and agriculture for sustenance. Today, the Cheyenne Sioux are part of several federally recognized tribes, including the Northern Cheyenne Tribe in Montana. They continue to preserve their traditions while also engaging in modern economic activities. The tribe plays an important role in the cultural landscape of Native American history and contemporary society.