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Family name Huygens (Huygens ) , around the world, is quite a rare last name. The cognomen Huygens is characteristic of Belgium, where it is quite a common surname, Netherlands, where it is quite a rare surname, and Estonia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Western Europe, particularly Belgium, Netherlands, and France. Much less frequently, Huygens is the forename as well as the last name.