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Cognomen Hoarau (Hoarau , 瓦罗 , Оаро ) , globally, is a common last name. The last name Hoarau is habitual in Reunion, where it is a widespread surname, Seychelles, where it is a common surname, and France, where it is quite a common surname. Much less frequently, Hoarau is the forename as well as the last name.