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Cognomen Dadon (达珍 , Dadon , דדון ) , across the world, is quite a common last name. The last name Dadon is characteristic of Israel, where it is quite a common surname, Oman, where it is a rare surname, and Panama. Not in comparison with a country's population, it is commonest in Israel, Bangladesh, and the United States. Much less frequently, Dadon is the forename as well as the last name.