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Cognomen Duhon (杜洪 , Duhon , Духон ) , worldwide, is quite a common family name. The last name Duhon is characteristic of the United States, where it is quite a rare surname, Slovakia, where it is a rare surname, and Czechia. Measured by absolute frequency, it is the most numerous in the United States, Russia, and France. Much less frequently, Duhon is the forename as well as the last name.