Caucasian Tatar is a historical ethnonym for Turkic-speaking Muslims living in the Caucasus region, used up to the early 20th century, and may refer to: Transcaucasian Tatars, modern Azerbaijani people living in Transcaucasia, called Tatars until Bolshevik Revolution North Caucasian Tatars or Dagestan Tatars, today known as the Kumyks of Dagestan