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Family name Piron (Piru , Piron , 披龙 ) , in the entire world, is a common cognomen. The surname Piron is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and France. Measured by absolute frequency, the name is most common in France, Belgium, and India. More prevalently, Piron is the forename as well as the last name.