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Surname Appert (Appert
, Апер
, Аппер
) , in the entire world, is quite a rare cognomen. The cognomen Appert is characteristic of Switzerland, where it is quite a rare surname, France, and North Macedonia, where it is a rare surname. In absolute terms, it is the most numerous in France, Switzerland, and the United States. Much less frequently, Appert is the forename as well as the last name.