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Surname თენგიზ (Tengis , Tengiz , თენგიზ ) , worldwide, is a rare cognomen. The last name თენგიზ is characteristic of Mongolia, where it is quite a rare surname, Romania, where it is a rare surname, and Georgia. In absolute terms, it is the most numerous in Mongolia, Turkey, and Romania. More frequently, თენგიზ is the forename as well as the last name.