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Surname Chanoch (חנוך , Chanoch , Ханох ) , in all the world, is a rare family name. The cognomen Chanoch is habitual in Israel, where it is quite a rare surname, Hungary, where it is a rare surname, and the United Kingdom, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Israel, Hungary, and the United States. More prevalently, Chanoch is the forename as well as the last name.