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Family name Doa (دعاء , Doa , ドア ) , around the world, is a common cognomen. The last name Doa is characteristic of Nicaragua, where it is quite a common surname, Israel, and Egypt, where it is quite a rare surname. Not in comparison with a country's population, it is the most numerous in Northern Africa, particularly Egypt, Algeria, and Sudan. Much more prevalently, Doa is the forename as well as the last name.