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Surname Hiis (Hiis ) , across the world, is a rare cognomen. The surname Hiis is habitual in Northern Europe, particularly Estonia, where it is quite a common surname, Norway, where it is quite a rare surname, and Latvia, where it is a rare surname. In absolute terms, the name is most common in Estonia, Norway, and France. Likewise, Hiis is the forename as well as the last name.