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Last name Bauch (Bauch
, Баух
) , all over the world, is quite a common cognomen. The last name Bauch is characteristic of Aland Islands, where it is quite a common surname, Germany, where it is quite a rare surname, and Austria. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Brazil. Very seldom, Bauch is the forename as well as the last name.