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Surname Ja'Far (جعفر , Джафар , Ja'Far ) , around the world, is a widespread family name. The cognomen Ja'Far is habitual in Syria, where it is a common surname, Sudan, where it is quite a common surname, and Lebanon (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Sudan, Egypt, and Syria. More frequently, Ja'Far is the forename as well as the last name.