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Cognomen Qadan (Qadan ) , across the world, is a rare surname. The family name Qadan is characteristic of Western Asia, particularly Bahrain, where it is quite a rare surname, Jordan, and United Arab Emirates. Not in comparison with a country's population, the name is most common in Western Asia, particularly Jordan, Saudi Arabia, and United Arab Emirates. Also, Qadan is the forename as well as the last name.