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Cognomen Ехнер (Exner , Ehner , Ехнер ) , worldwide, is a common family name. The cognomen Ехнер is habitual in Germany, where it is quite a rare surname, Czechia, and Austria. In absolute terms, this name is the most popular in Germany, the United States, and Czechia. Much less frequently, Ехнер is the forename as well as the last name.