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Cognomen Оттер (Otter , Оттер ) , in the entire world, is quite a common surname. The cognomen Оттер is habitual in Western Europe, particularly Netherlands, where it is quite a common surname, Austria, where it is quite a rare surname, and Switzerland. Not in comparison with a country's population, it most frequently occurs in Netherlands, Germany, and the United States. Very seldom, Оттер is the forename as well as the last name.