Lakota people spoke Lakȟótiyapi, also referred to as the Lakota Language, Lakhota, Teton or Teton Sioux. It is a Siouan language still spoken by the Lakota people of the Sioux tribes.
The Lakota language has approximately 2,000 speakers living mostly in northern plains states of North Dakota and South Dakota.
Virtually all Lakota speak English as their primary language today.