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Surname דקו (Deco , Dacko , דקו ) , all over the world, is a common last name. The family name דקו is characteristic of Brunei, where it is quite a rare surname, Mauritius, and Cameroon. Not in comparison with a country's population, it is the most numerous in Egypt, Cameroon, and Algeria. Also, דקו is the forename as well as the last name.