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Family name Ронер (Rohner , Rauner , Ронер ) , in the world, is a common cognomen. The last name Ронер is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Liechtenstein, and Austria, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Switzerland, Germany, and the United States. Much less frequently, Ронер is the forename as well as the last name.