The Tuu or Taa–!Kwi (Taa–!Ui, !Ui–Taa, Kwi) languages are a language family consisting of two language clusters spoken in Botswana and South Africa. The relationship between the two clusters is not doubted, but is not close. The name Tuu comes from a word for person common to both branches of the family. The Tuu languages once formed a branch of a proposed Khoisan language family, and were called Southern Khoisan in that scenario, but this classification is now obsolete.