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Last name Тэцу (Tetsu , Tecu , Тэцу) , around the world, is quite a rare family name. The last name Тэцу is habitual in Guatemala, where it is quite a common surname, Romania, where it is quite a rare surname, and Singapore, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Guatemala, Romania, and Indonesia. More frequently, Тэцу is the forename as well as the last name.