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Cognomen Orth (Orth
, 奥斯
, 奥思
) , worldwide, is a common surname. The family name Orth is characteristic of British Virgin Islands, where it is quite a common surname, Germany, and Slovakia. Not in comparison with a country's population, the name is most common in Germany, the United States, and Brazil. Very seldom, Orth is the forename as well as the last name.