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Surname Thamm (ธรรม , Thamm
, Тамм
) , in the world, is quite a common last name. The cognomen Thamm is characteristic of Germany, where it is quite a rare surname, Panama, and Austria, where it is a rare surname. In absolute terms, the name is most common in Germany, Russia, and the United States. Very seldom, Thamm is the forename as well as the last name.