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Cognomen جوكو (Joko , جوكو , Jocco ) , all over the world, is a common last name. The family name جوكو is characteristic of Indonesia, where it is quite a common surname, Brunei, where it is quite a rare surname, and Botswana. In absolute terms, it is commonest in Indonesia, India, and South Africa. More prevalently, جوكو is the forename as well as the last name.