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Family name דואק (Dwek , Duek , Douek ) , globally, is quite a rare last name. The cognomen דואק is characteristic of Israel, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Argentina, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Israel, Argentina, and the United States. Much less frequently, דואק is the forename as well as the last name.