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Family name Tengiz (Тенгиз , Tengiz , თენგიზ ) , all around the world, is a rare cognomen. The cognomen Tengiz is habitual in Armenia, where it is quite a rare surname, Kyrgyzstan, where it is a rare surname, and Georgia. Not in comparison with a country's population, it most frequently occurs in Turkey, Armenia, and Kyrgyzstan. More prevalently, Tengiz is the forename as well as the last name.