The Lakota (also known as Lakhota, Teton, Tetonwan ("dwellers of the prairie"), Teton Sioux) are a Native American tribe.

They are part of a confederation of seven related Sioux tribes and speak Lakhota, one of the three major dialects of the Sioux language.The Lakota are the westernmost of the three Sioux-language groups, occupying lands in both North and South Dakota.