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Surname Vial (Vial
, Fiole
, Виаль) , globally, is a common last name. The cognomen Vial is habitual in France, where it is quite a common surname, Chile, where it is quite a rare surname, and Switzerland. Measured by absolute frequency, this name is the most popular in France, Brazil, and Chile. Much less frequently, Vial is the forename as well as the last name.