Abstract. In this work, attention is paid to the etymological features of the origin and naming of the Caspian people, which are considered to be one of the peoples that played an important role in the world history of the Turkic peoples. We can also directly observe in the history of Eastern Europe that in these regions for centuries Turkic peoples inhabited, formed states and founded their own unique culture. It is mentioned about the Turkic Caspian people who are one of such people.